Privacy Policy

Xuzhou Yongkang Electronic Technology Co., Ltd. (hereinafter referred to as "we", "us" or "our") understands the importance of your personal information and will make every effort to protect the security and reliability of your personal information. We are committed to maintaining your trust in us and abide by the following principles to protect your personal information: the principle of consistency of rights and responsibilities, the principle of clear purpose, the principle of informed consent, the principle of minimum necessity, the principle of ensuring security, the principle of subject participation, and the principle of openness and transparency. At the same time, we promise that we will adopt corresponding security protection measures in accordance with mature industry security solutions to protect your personal information. Accordingly, we have formulated this Privacy Policy (hereinafter referred to as "this Privacy Policy") and remind you:

This Privacy Policy applies to the "lead ECG" product or service (hereinafter referred to as "this Application").

Before using any product or service of this Application, please read and thoroughly understand this Privacy Policy, and use the relevant product or service after confirming that you fully understand and agree to it. Once you start using any product or service of this Application, it means that you have fully understood and agreed to this Privacy Policy. If you have any questions, comments or suggestions about the content of this Privacy Policy, you can contact us through the various contact methods provided in this Application.

This Privacy Policy will help you understand the following:

1. How we collect and use your personal information;

2. How we use Cookie and similar technologies;

3. How we share, transfer and publicly disclose your personal information;

4. How we protect your personal information;

5. How you manage your personal information;

6. How we handle the personal information of minors;

7. How your personal information is transferred globally;

8. Account cancellation and personal information deletion;

9. How this Privacy Policy is updated;

10. How to contact us.

1. How We Collect and Use Your Personal Information

Personal information refers to various information recorded electronically or in other ways that can identify a specific natural person alone or in combination with other information, or reflect the activities of a specific natural person. We will collect and use your personal information for the following purposes as described in this Privacy Policy:

1.1 To Help You Become Our User

In order to complete the creation of an account so that we can provide you with services, you need to provide the following information: your email address, etc. When you register and provide us with the email address used for registration (for receiving verification codes), we will verify whether your identity is valid by sending an email verification code. You can modify and supplement your nickname, gender, avatar and other related information, all of which belong to your "account information". We collect the above information to provide you with account services and to ensure the security of your account and prevent security risks.

During use, if you provide the following additional information to complete your personal profile, it will help us provide you with better services and experience: your occupation, commonly used software, commonly used equipment, etc. However, if you do not provide this information, it will not affect the basic functions of this Application's products or services.

The above information you provide will continue to be authorized for our use during your use of this service. When you voluntarily apply to cancel your account, we will anonymize or delete your personal information as soon as possible in accordance with applicable laws and regulations.

1.2 To Provide Services to You

1.2.1 Information You Provide to Us

When you register an account or use our services, you provide us with relevant personal information, such as your email address, etc.; shared information you provide to other parties through our services, and information stored when you use our services. Before providing the aforementioned personal information of such other parties to this Application, you need to ensure that you have obtained their authorization and consent.

1.2.2 Information We Collect During Your Use of Services

In order to provide you with page displays and search results that better match your needs, understand product adaptability, and identify abnormal account status, we will collect information about the services you use and how you use them and associate such information. Such information includes:

1.2.2.1 Device Information

To ensure the safe operation of the application and services, we will collect your device model, device name, unique device identifier, login IP address, product version number, and mobile network information. Our product is developed based on DCloud uni-app (5+App/Wap2App). During the operation of the application, we need to collect your device unique identification code (IMEI/androidID/IDFA, SIM card IMSI information) to provide statistical analysis services, and to improve performance and user experience through application startup data and abnormal error log analysis.

1.2.2.2 Specific Permissions You Grant During Software Installation and Use

We only apply for permissions necessary to implement business functions, following the principle of minimum necessity. Corresponding device permissions are not enabled by default. When important or sensitive device permissions are involved, we will separately pop up a window to obtain your consent again when you use the corresponding business function; after the permission is enabled, you can also turn it off at any time through device settings; if you do not agree to enable the permission, it will not affect the normal use of other unrelated business functions.

(1) Camera Permission

When you modify your profile avatar, submit feedback, or post comments, we will request camera permission. It is used to take photos and upload them as an avatar or submit pictures in feedback or comments. If you refuse to grant camera permission, you will not be able to use photo-taking related functions, but it will not affect your normal use of other functions of this Application. You can turn off this permission at any time through device settings.

(2) Album Permission (Reading Content from Storage Card)

When you modify your profile avatar, submit feedback, or post comments, we will request album permission. It is used to select pictures from the album as an avatar or upload pictures in feedback or comments. On some models, the album reading permission appears as "read content from storage card". If you refuse to grant album permission, you will not be able to use album selection related functions, but it will not affect your normal use of other functions of this Application. You can turn off this permission at any time through device settings.

(3) Location Permission

When you use the Bluetooth device addition function, we will request location permission to better scan Bluetooth devices around you. If you refuse to grant location permission, it will affect whether the APP can retrieve nearby Bluetooth devices, resulting in the inability to add devices and thus the inability to perform subsequent control operations. You can turn off this permission at any time through device settings.

(4) Bluetooth Permission (Nearby Devices)

When you use the device connection function, we will request Bluetooth permission to discover and connect nearby devices, enabling device network configuration, measurement device connection and other functions. If you refuse to grant Bluetooth permission, you will not be able to use device connection related functions, but it will not affect your normal use of other functions of this Application. You can turn off this permission at any time through device settings.

(5) Calendar Permission

When you voluntarily set reminders, we will request calendar permission to write reminders into the system calendar or read the calendar to display reminders. If you refuse to grant calendar permission, you will not be able to use the reminder function, but it will not affect your normal use of other functions of this Application. You can turn off this permission at any time through device settings.

Please note: When applying to open permissions that can collect personal information, we will simultaneously inform you of the specific purpose of the permission in the pop-up window, and the description in the pop-up window is consistent with the description in this Privacy Policy.

1.2.2.3 Third-Party SDKs Integrated in This Application

To implement the WeChat login function, this Application integrates the WeChat SDK. The specific information is as follows:

WeChat SDK
- SDK Name: WeChat SDK
- Developer: Shenzhen Tencent Computer Systems Company Limited
- Personal Information Involved: Device identifiers (Android ID/hardware serial number/IMEI/IMSI/Serial/IDFA/IDFV/OpenUDID/SIM ICCID), MAC address, WLAN access point
- Purpose: To support WeChat login and sharing
- Usage Scenario: Used when users log in or share via WeChat
- Collection Method: SDK collection
- Privacy Policy Link: https://weixin.qq.com/cgi-bin/readtemplate?lang=zh_CN&t=weixin_agreement&s=privacy

Mobile Smart Terminal Supplementary Device Identification System Unified Calling SDK
- SDK Name: Mobile Smart Terminal Supplementary Device Identification System Unified Calling SDK
- Developer: China Academy of Information and Communications Technology
- Personal Information Involved: Device manufacturer, device model, device brand, device network operator name, App package name and signature information, OAID
- Purpose: To provide a mobile smart terminal supplementary device identification system for generating anonymous device identifiers (OAID)
- Usage Scenario: During application operation, used for local judgment of device information, without any network transmission
- Collection Method: SDK local collection
- Privacy Policy Link: https://www.msa-alliance.cn/col.jsp?id=122

1.2.2.4 Log Information

When you use our website or client services, we will automatically collect detailed usage of our services and save them as relevant network logs. For example, your search query content, IP address, browser type, telecom operator, language used, access date and time, and web pages you visited.

Please note that device information, log information, etc. alone cannot identify a specific natural person. If we combine such non-personal information with other information to identify a specific natural person, or use it in combination with personal information, then during the period of combined use, such non-personal information will be treated as personal information. Unless we obtain your authorization or otherwise provided by laws and regulations, we will anonymize and de-identify such personal information.

When you contact us, we may save your communication/call records and content or contact information you left, so as to contact you or help you solve problems, or record the handling plans and results of related issues.

1.3 Exceptions to Obtaining Authorization and Consent

According to relevant laws and regulations, collecting your personal information in the following circumstances does not require your authorization and consent:

3.1 Related to national security and national defense security;
3.2 Related to public security, public health, and major public interests;
3.3 Related to criminal investigation, prosecution, trial and execution of judgments, etc.;
3.4 For the purpose of safeguarding the life, property and other major legal rights and interests of the personal information subject or other individuals but it is difficult to obtain your consent;
3.5 The personal information collected is disclosed by you to the public yourself;
3.6 Collecting personal information from legally publicly disclosed information, such as legal news reports, government information disclosure and other channels;
3.7 Necessary for performing a contract according to your request;
3.8 Necessary for maintaining the safe and stable operation of the services provided, such as discovering or handling service failures;
3.9 Necessary for legal news reporting;
3.10 Necessary for academic research institutions to carry out statistical or academic research based on public interests, and when providing the results of academic research or descriptions to the outside world, de-identify the personal information contained in the results;
3.11 Other circumstances stipulated by laws and regulations.

If we cease to operate this Application's services, we will promptly stop activities of continuing to collect your personal information, notify you of the cessation of operation by delivery or announcement, and delete or anonymize the personal information we hold.

2. How We Use Cookie and Similar Technologies

2.1 Cookie

To ensure the normal operation of the website and provide you with a more relaxed access experience, we will store small data files called Cookie on your computer or mobile device. Cookie usually contains identifiers, site names, and some numbers and characters. With the help of Cookie, the website can store your preferences and other data.

2.2 Web Beacons and Pixel Tags

In addition to Cookie, we will also use web beacons and pixel tags and other similar technologies on the website. For example, emails/SMS we send to you may contain address links to our website content. If you click the link, we will track this click to help us understand your product or service preferences so that we can proactively improve customer service experience. Web beacons are usually transparent images embedded in websites or emails. With the help of pixel tags in emails, we can know whether emails have been opened. If you do not want your activities to be tracked in this way, you can unsubscribe from our mailing list at any time.

3. How We Share, Transfer and Publicly Disclose Your Personal Information

3.1 Sharing

We will not share your personal information with companies, organizations and individuals other than the service providers of this Application, except in the following cases:

3.1.1 Sharing with explicit consent: After obtaining your explicit consent, we will share your personal information with other parties.

3.1.2 Sharing under statutory circumstances: We may share your personal information externally in accordance with laws and regulations, litigation dispute resolution needs, or requirements lawfully raised by administrative and judicial authorities.

3.1.3 Sharing with authorized partners: For the purposes stated in this Privacy Policy, some of our services will be provided jointly by us and authorized partners. We may share certain personal information with partners to provide better customer service and user experience. We will only share your personal information for legal, legitimate, necessary, specific and explicit purposes, and will only share the personal information necessary to provide the services. Our partners have no right to use the shared personal information for other purposes unrelated to the products or services.

Currently, our authorized partners include the following types:

3.1.3.1 Advertising and analytics service partners. Unless we have your permission, we will not share your personally identifiable information (meaning information that can identify you, such as name, email address, mobile phone number, through which you can be contacted or identified) with advertising and analytics service partners. We will provide these partners with information about the coverage and effectiveness of their advertisements without providing your personally identifiable information, or we will aggregate such information so that it does not identify you personally.

3.1.3.2 Suppliers, service providers and other partners. We send information to suppliers, service providers and other partners that support our business. These supports include providing technical infrastructure services, analyzing how our services are used, providing customer service, or conducting academic research and surveys.

3.2 Transfer

We will not transfer your personal information to any company, organization or individual, except in the following cases:

3.2.1 Transfer with explicit consent: After obtaining your explicit consent, we will transfer your personal information to other parties;

3.2.2 In the event of merger, acquisition or bankruptcy liquidation, or other situations involving merger, acquisition or bankruptcy liquidation, if personal information transfer is involved, we will require the new company or organization holding your personal information to continue to be bound by this Privacy Policy, otherwise we will require the company or organization to seek your authorization and consent again.

3.3 Public Disclosure

We will publicly disclose your personal information in the following circumstances:

3.3.1 With your explicit consent or based on your active choice, we may publicly disclose your personal information;

3.3.2 If we determine that you have violated laws and regulations or seriously violated the relevant agreement rules of this Application, or to protect the personal and property safety of users or the public of this Application and its affiliates from infringement, we may disclose your personal information in accordance with laws and regulations or the relevant agreement rules of this Application with your consent, including relevant violations and measures we have taken against you.

3.4 Exceptions to Prior Authorization and Consent for Sharing, Transfer and Public Disclosure of Personal Information

In the following circumstances, sharing, transferring and publicly disclosing your personal information does not require your prior authorization and consent:

4.1 Related to national security and national defense security;
4.2 Related to public security, public health, and major public interests;
4.3 Related to criminal investigation, prosecution, trial and execution of judgments, etc.;
4.4 For the purpose of safeguarding the life, property and other major legal rights and interests of you or other individuals but it is difficult to obtain the consent of the individual;
4.5 Personal information you have disclosed to the public yourself;
4.6 Collecting personal information from legally publicly disclosed information, such as legal news reports, government information disclosure and other channels.

According to legal provisions, sharing and transferring de-identified personal information, and ensuring that the data recipient cannot restore and re-identify the personal information subject, does not belong to the external sharing, transfer and public disclosure of personal information. The storage and processing of such data will not require further notice to you or your consent.

4. How We Protect Your Personal Information Security

We have adopted security protection measures that comply with generally accepted industry solutions and are reasonably feasible to protect the security of your personal information and prevent personal information from unauthorized access, public disclosure, use, modification, damage or loss. For example, when exchanging data between your browser and the server, it is protected by SSL (Secure Socket Layer) protocol encryption (i.e., HTTPS protocol); we will use encryption technology to improve the security of personal information; we will use trusted protection mechanisms to prevent personal information from malicious attacks; we will deploy access control mechanisms to ensure that only authorized personnel can access personal information; and we will hold security and privacy protection training courses to strengthen employees' understanding of the importance of protecting personal information.

We have an industry-leading data security management system centered on data and surrounding the data life cycle, improving the security of the entire system from multiple dimensions such as organizational construction, system design, personnel management, and product technology.

We will take reasonably feasible measures to avoid collecting irrelevant personal information. We will only retain your personal information for the period necessary to achieve the purposes described in this Privacy Policy, unless a longer retention period is required or permitted by law. For example, the Cybersecurity Law of the People's Republic of China requires network log information to be retained for no less than six months; after you cancel your account, we will delete or anonymize account information in accordance with laws and regulations.

The Internet is not an absolutely secure environment. We strongly recommend that you do not send personal information using communication methods not recommended by this Application. If you discover that your personal information, especially your account or password, has been leaked, please immediately contact the customer service of this Application so that we can take appropriate measures based on your application. At the same time, we will also report the handling of personal information security incidents in accordance with regulatory requirements.

5. How You Manage Your Personal Information

You can access and manage your personal information in the following ways:

5.1 Access Your Personal Information

You have the right to access your personal information, except for exceptions stipulated by laws and regulations. You can access your personal information by yourself in the following ways:

Personal profile — If you wish to access or edit your gender, occupation, company and other information in your personal profile, you can log in to your account and perform such operations through "My".

5.2 Correct or Supplement Your Personal Information

When you discover that the personal information we process about you is incorrect, you have the right to request us to correct or supplement it. You can submit a correction or supplement request through the methods listed in this article "5.1 Access Your Personal Information".

5.3 Delete Your Personal Information

You can delete part of your personal information through the methods listed in this article "5.1 Access Your Personal Information". In the following circumstances, you can request us to delete personal information:

5.3.1 If our processing of personal information violates laws and regulations;
5.3.2 If we collect and use your personal information without your explicit consent;
5.3.3 If our processing of personal information seriously violates the agreement with you;
5.3.4 If you no longer use our products or services;
5.3.5 If we permanently no longer provide you with products or services.

If we decide to respond to your deletion request, we will also simultaneously notify the entities that have obtained your personal information from us as much as possible and require them to delete it promptly, unless otherwise stipulated by laws and regulations or these entities have obtained your independent authorization. After you delete information from our services, we may not immediately delete the corresponding information from the backup system, but will delete such information when the backup is updated.

5.4 Change the Scope of Your Authorization and Consent

Each business function requires some basic personal information to be completed (see "Article 1" of this Privacy Policy). In addition, for the collection and use of additional personal information, you can contact the customer service of this Application to apply for giving or withdrawing your authorization and consent. After you withdraw your consent, we will no longer process the corresponding personal information. However, your decision to withdraw consent will not affect the personal information processing carried out based on your authorization before.

5.5 Obtain a Copy of Your Personal Information

You have the right to obtain a copy of your personal information. If you need it, you can contact us through Article 10 of this Privacy Policy. After verifying your identity, we will provide it to you within a reasonable period (usually 15 working days). You also have the right to request that we transmit a copy of your personal information to a third party designated by you, and we will cooperate if technically feasible.

5.6 Constrain Automated Decision-Making of Information Systems

In certain business functions, we may make decisions solely based on non-artificial automatic decision-making mechanisms such as information systems and algorithms. If such decisions significantly affect your legal rights, you have the right to request an explanation from us, and we will provide an appeal method without infringing on the trade secrets of this Application or the rights and interests of other users or public interests.

5.7 Respond to Your Above Requests

To ensure security, you may need to provide a written request or otherwise prove your identity. We may first require you to verify your identity and then process your request. We will respond within 30 days. If you are not satisfied, you can also file a complaint through the customer service of this Application.

For your reasonable requests, we generally do not charge fees, but for multiple repeated requests beyond reasonable limits, we will charge certain costs as appropriate. For those requests that are unreasonably repetitive, require excessive technical means, bring risks to the legal rights of others, or are very impractical, we may refuse.

In the following circumstances, in accordance with laws and regulations, we will not be able to respond to your request:

7.1 Related to national security and national defense security;
7.2 Related to public security, public health, and major public interests;
7.3 Related to criminal investigation, prosecution, trial and execution of judgments, etc.;
7.4 There is sufficient evidence that the personal information subject has subjective malice or abuses rights;
7.5 Responding to your request will cause serious damage to the legal rights of you or other individuals or organizations;
7.6 Involving trade secrets.

If you cannot access such personal information through the above paths, you can contact us at any time through the customer service of this Application. We will reply to your access request within 30 days.

6. How We Handle the Personal Information of Minors

We attach great importance to the protection of minors' personal information.

6.1 Minors Under 14 Years Old (Children)

Our products and/or services are mainly for adults. We will not actively collect personal information of minors under 14 years old. If you are a minor under 14 years old, please read this Privacy Policy accompanied by your parents or other guardians, and use our products and/or services after obtaining guardian consent. When we collect, use, transfer or disclose children's personal information, we will inform the child's guardian in a prominent and clear manner and obtain the guardian's consent. If you are the guardian of a child and have questions about the personal information of the child under your guardianship, please contact us through Article 10 of this Privacy Policy.

6.2 Minors Aged 14 to Under 18

If you are a minor aged 14 to under 18, you should use this service under the guidance of a guardian and ensure that the guardian has agreed to this Privacy Policy and the User Login and Registration Agreement. When processing personal information of minors aged 14 to under 18, consent should be obtained from the minor or their guardian.

If we discover that we have collected personal information of minors without prior verifiable guardian consent, we will delete the relevant data as soon as possible.

7. How Your Personal Information Is Transferred Globally

Personal information collected and generated during our operations within the People's Republic of China is stored within China, except in the following circumstances:

7.1 Explicit provisions of laws and regulations;
7.2 Obtaining your explicit authorization;
7.3 Your active behavior such as cross-border live streaming/posting updates through the Internet.

For the above circumstances, we will ensure that adequate protection is provided for your personal information in accordance with this Privacy Policy.

8. Account Cancellation and Personal Information Deletion

8.1 Cancellation Right

We respect and protect the rights of users to cancel accounts and delete personal information in accordance with the law. Users have the right to require us to stop collecting and processing their personal information at any time and apply to cancel their account on this platform.

8.2 Cancellation Process

Users need to submit an account cancellation application through the official channels provided by this platform (settings options within the APP). After receiving the user's cancellation application, we will verify based on the account information. After verification, we will initiate the account cancellation procedure and complete the cancellation operation within a reasonable time.

8.3 Personal Information Processing

8.3.1 After account cancellation, we will stop collecting, using and processing personal information under that account, unless laws and regulations require otherwise or for legal purposes such as maintaining public security and preventing fraud that must be retained.

8.3.2 For personal information that must be retained due to business needs, we will take technical measures such as encryption and anonymization to ensure the security of the information and restrict access and use of such information.

8.3.3 To the extent technically feasible, we will strive to delete or anonymize personal information under the user's account.

8.4 Notes

8.4.1 After account cancellation, all data related to the account may not be recoverable. Please operate with caution.

8.4.2 Account cancellation does not affect our responsibilities under previously legally valid agreements or laws and regulations regarding personal information we have processed.

9. How This Privacy Policy Is Updated

Our Privacy Policy may change. Without your explicit consent, we will not limit your rights under this Privacy Policy. For major changes, we will provide prominent notice (including through announcements in this Application and notifications via official accounts, and even SMS/email prompts to you).

Major changes referred to in this Privacy Policy include but are not limited to:

9.1 Major changes in our service model, such as the purpose of processing personal information, the types of personal information processed, and the ways personal information is used;
9.2 Major changes in our control rights, such as changes in ownership caused by mergers and reorganizations;
9.3 Changes in the main objects of personal information sharing, transfer or public disclosure;
9.4 Major changes in your rights and the ways to exercise them regarding personal information processing;
9.5 Changes in the responsible department, contact methods and complaint channels for personal information security;
9.6 When the personal information security impact assessment report indicates high risks. We will also archive old versions of this Privacy Policy for your review.

If the update of this Privacy Policy involves changes in the purpose, method or scope of collecting and using personal information, we will show you the updated content through prominent methods such as pop-up windows and obtain your authorization and consent again.

10. How to Contact Us

If you have any questions, comments or suggestions about the content of this Privacy Policy, you can contact us through the mini-program customer service and "My" - "Contact Customer Service" in the APP; if you find that personal information may be leaked, you can report it through the feedback function of this Application.

Company Name: Xuzhou Yongkang Electronic Technology Co., Ltd.
Office Address: 12th Floor, Zhimin Building, Mingyang Plaza, No. 20 Zhenxing Avenue, Jiawang District, Xuzhou City, Jiangsu Province
Telephone: 4009602005
Email: jq@yonker.cn

The final interpretation right of this Privacy Policy belongs to Xuzhou Yongkang Electronic Technology Co., Ltd.

Update Date: September 22, 2026

Effective Date: September 22, 2026