Privacy Policy

Qingdao Thread Technology Co., Ltd. (hereinafter referred to as "we") deeply 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, adhering to the following principles: consistency of rights and responsibilities, clear purpose, consent choice, minimal necessity, security assurance, subject participation, and openness and transparency. At the same time, we promise to adopt corresponding security protection measures in accordance with mature industry security standards to protect your personal information.

Please read and fully understand this Privacy Policy carefully before using our products (or services), especially the terms marked in bold. If you do not agree with any content of this policy, please stop using this product immediately. By checking the agreement or using this product and related services, you are deemed to have fully understood and agreed to all contents of this policy. We try to explain professional terms involved in this policy in concise and popular expressions.

【Special Notice】This policy applies to all services provided by %appname% (hereinafter referred to as "this product"). If our and our affiliates' products or services use the services provided by this product (e.g., embedding this product's SDK in third-party applications) without a separate privacy policy, this policy also applies to that part of the service. We recommend that you carefully read and fully understand the privacy policy of each product or service before using any of our and our affiliates' products or services.

1. How We Collect and Use Your Personal Information

Personal information refers to various information recorded electronically or otherwise 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 only collect and use your personal information for the following purposes stated in this policy:

(1) Provide Account Registration and Login Services

1. When you register an account, we will collect your mobile phone number to create an account and ensure account security. You may also choose to provide nickname, avatar and other information to complete your personal profile.

2. When you log in using a third-party account (WeChat, QQ, Weibo, Apple ID), with your authorization, we will obtain the third-party account's OpenID, nickname, avatar and other information to create an associated account. We will not store your third-party account password.

(2) Provide Core Business Functions

1. Device Information Collection: To ensure normal service operation and account security, when you first launch this product, we will collect your device information, including: device model, operating system version, unique device identifiers (IMEI, AndroidID, OAID, IDFA, IDFV, MEID), MAC address, IP address, WLAN access points (BSSID/SSID), base station information, sensor information (accelerometer, gyroscope), installed application list, network type, carrier information, language settings, time zone. Used for identifying abnormal logins, preventing fraud, and ensuring service stability (in accordance with Article 22 of the Cybersecurity Law).

2. Location Information: When you use functions such as "Nearby Recommendations" or "Location Check-in", with your explicit consent, we will collect your GPS coordinates, WLAN access points, base station information. We only collect this during your use of related functions and will process it with de-identification. You can disable location permissions at any time through system settings (related functions will be unavailable after disabling).

3. Camera/Album Permissions: When you use functions such as "Upload Avatar" or "Publish Images", with your consent, we will access your camera or album. You can disable permissions at any time in system settings.

4. Storage Permissions: To cache content and improve loading speed, we will request storage permissions to save cached files such as images and videos. You can manage this at any time in system settings.

5. Microphone Permissions: When you use "Voice Input" or "Voice Messages", with your consent, we will access the microphone. Recording content is only processed during your operation and original audio will not be stored.

(3) Provide Additional Business Functions

1. Message Push: To send you service notifications, marketing activities and other information, we will collect your device identifiers, push tokens. You can disable push permissions through system settings.

2. Customer Service and Feedback: When you contact customer service or submit feedback, we will collect contact information (mobile/email), problem description, screenshots, log information you actively provide to resolve issues. For service quality assurance, call content may be recorded (will be notified in advance).

3. Security Assurance: To prevent fraud and protect account security, we will collect your device information, network logs, operation behaviors (clickstream, dwell time), and identify risk behaviors through algorithm models (in accordance with Article 13 of the Personal Information Protection Law).

(4) Exceptions to Consent Requirement

According to relevant laws and regulations, we do not need your authorization and consent to collect your personal information in the following circumstances:

• Directly related to national security or national defense security;
• Directly related to public security, public health, or major public interests;
• Directly related to criminal investigation, prosecution, trial, and execution of judgments;
• Necessary to protect the life, property or other major legitimate rights and interests of you or other individuals where it is difficult to obtain consent;
• The personal information is voluntarily disclosed by you to the public;
• Collected from legally disclosed information, such as legitimate news reports or government information disclosure;
• Necessary for signing and performing contracts at your request;
• Necessary for maintaining the safe and stable operation of the provided products or services, such as discovering and handling faults;
• Other circumstances stipulated by laws and regulations.

2. How We Use Cookies and Similar Technologies

To ensure normal website operation and provide you with a more convenient access experience, we will store small data files called Cookies on your computer or mobile device. Cookies typically contain identifiers, site names, and some numbers and characters. With Cookies, websites can store your preferences or items in your shopping cart.

We will not use Cookies for any purpose other than those stated in this policy. You can manage or delete Cookies according to your preferences. For details, please refer to the Cookie policy.

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

(1) Sharing

We will not share your personal information with any unrelated third parties unless we obtain your explicit consent, or in the following circumstances:

• Affiliated Companies: Share necessary information with our affiliates to maintain stable service operation (e.g., account system integration). We will require affiliates to comply with this policy;
• Authorized Partners: Certain services will be provided by authorized partners to achieve the purposes stated in this policy. We may share certain personal information with partners to provide better customer service and user experience. We will only share personal information necessary for providing services for legal, legitimate, necessary, specific, and clear purposes. Our partners have no right to use shared personal information for any other purpose. For companies and organizations we share personal information with, we will sign strict confidentiality agreements requiring them to process personal information in accordance with our instructions, this privacy policy, and other relevant confidentiality and security measures. Our current authorized partners include the following types:
• 【See Section 5 of this policy for detailed third-party SDK directory】
• Advertising analytics service providers: for analyzing user behavior and optimizing ad placement (e.g., Pangle, Youlianghui);
• Payment institutions: when you use payment functions, we will share your transaction information with payment institutions (e.g., WeChat Pay, Alipay);
• Cloud service providers: for data storage and backup (e.g., Alibaba Cloud, Tencent Cloud);
• Customer service providers: for handling user inquiries and complaints (e.g., WeChat).
• Legal Requirements: As required by laws, legal procedures, or mandatory requirements of government authorities;
• Protecting Rights and Interests: To protect the life, property or other major legitimate rights and interests of us, you or others;
• Mergers/Acquisitions/Restructuring: If involved, we will require the new company or organization holding your personal information to continue to be bound by this policy, otherwise we will require them to re-obtain your authorization and consent.

(2) Transfer

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

• With your explicit consent;
• As required by applicable laws, legal procedures, or mandatory government requirements;
• In cases involving mergers, acquisitions, asset transfers or similar transactions, 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 policy, otherwise we will require them to re-obtain your authorization and consent.

(3) Public Disclosure

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

• With your explicit consent;
• Based on legal disclosure: when required by laws, legal procedures, litigation or mandatory requirements of government authorities.

4. How We Store and Protect Your Personal Information

(1) Storage

1. Storage Location: Personal information collected and generated during our operations within the People's Republic of China will be stored within China. If cross-border transfer is required, we will separately obtain your authorization and consent and comply with relevant laws and regulations.

2. Storage Period: We will only retain your personal information for the period necessary to achieve the purpose, unless there are mandatory retention requirements under law. For example: account information will be deleted within 30 days after you cancel your account; log information retained for 6 months; transaction records retained for 5 years after transaction completion (in accordance with Article 31 of the E-Commerce Law).

(2) Protection Measures

We have adopted industry-standard, reasonable and feasible security protection measures to protect your personal information from unauthorized access, public disclosure, use, modification, damage or loss. For example:

• Use SSL/TLS protocol to encrypt transmitted data;
• Store user passwords using irreversible encryption algorithms (e.g., BCrypt);
• Establish data security management systems and provide security training to employees;
• Conduct regular security audits and vulnerability scans;
• Appoint a personal information protection officer to handle user complaints.

Despite the above security measures, please understand that due to technical limitations and possible malicious means, we cannot always guarantee 100% information security. In the event of a personal information breach, we will activate emergency plans in accordance with legal requirements, promptly notify you and take remedial measures.

5. Third-Party SDK Directory (Detailed List)

To ensure the implementation of related functions of this product and the safe and stable operation of the application, we may integrate software development kits (SDKs) provided by third parties. We will strictly monitor the SDKs of partners and agree on strict data protection measures with partners, requiring them to process personal information in accordance with this policy and other relevant confidentiality and security measures. Below is a list of the main third-party SDKs we integrate:

6. Your Rights

In accordance with Chinese laws, regulations, standards, and international practices, we guarantee your exercise of the following rights regarding your personal information:

• Access Your Personal Information: You have the right to access your account information (nickname, avatar, etc.), which you can view via "Me - Settings";
• Correct Your Personal Information: If you find errors in personal information we process about you, you have the right to request correction;
• Delete Your Personal Information: You may request deletion of personal information in the following circumstances:
  • If our processing of personal information violates laws and regulations;
  • If we collect and use your personal information without your consent;
  • If our processing of personal information violates agreements with you;
  • If you cancel your account;
  • If we terminate services or operations.
• Change Your Consent Scope: You can change consent scope through device permission settings (e.g., location, camera, microphone), but related functions may be affected;
• Cancel Account: You can submit an application via "Me - Settings - Account & Security - Cancel Account". After cancellation, we will delete or anonymize your personal information (except where retention is required by law);
• Obtain Personal Information Copy: You have the right to obtain a copy of your personal information. You can apply via customer service email;
• Respond to Your Requests: For security, we may require written requests or other identity verification. We will respond within 15 working days.

7. How We Handle Children's Personal Information

Our products, websites and services are primarily aimed at adults. Children (minors under 14 years old) must not create user accounts without parental or guardian consent. For personal information of children collected with parental or guardian consent, we will only use or disclose it when permitted by law, with explicit parental/guardian consent, or necessary to protect the child. If we discover we have collected children's personal information without verifiable parental consent, we will delete the relevant data as soon as possible.

8. Revision of Privacy Policy

We may revise the content of this privacy policy from time to time. Such revisions constitute part of this privacy policy and have the same effect. Without your explicit consent, we will not reduce rights you are entitled to under this policy. We will publish any changes on this page and indicate the update date. For significant changes, we will provide more prominent notices (including website announcements, pop-up prompts, etc.). If you continue to use our services after the updated policy takes effect, you are deemed to have accepted the revised privacy policy.

9. How to Contact Us

If you have any questions, comments or suggestions about this privacy policy, or need to exercise your personal information rights, please contact us via the following methods:

Company Name: Qingdao Thread Technology Co., Ltd.

Registered Address: Room 1-2, No. 1699-99 Wutai Mountain Road, Huangdao District (Former Development Zone), Qingdao City, Shandong Province

Customer Service Email: feedback@xiancheng.tech

We will respond to your request within 15 working days. If you are not satisfied with our response, especially if you believe our personal information processing has harmed your legitimate rights and interests, you may also file complaints or reports with cyberspace, telecommunications, public security and other regulatory authorities.

Personal Information Inventory

In accordance with Article 17 of the Personal Information Protection Law and the Regulations on the Scope of Necessary Personal Information for Common Types of Mobile Internet Applications, the personal information inventory collected by %appname% is disclosed below. We strictly follow the "minimal necessity" principle and only collect personal information directly related to business functions.

Third-party Information Sharing List

In order to ensure the realization of functions and stable operation of the App, we may integrate Software Development Kits (SDKs) provided by third parties. We conduct strict security monitoring on these SDKs and require partners to process personal information in accordance with this list and relevant security measures.