Dear Users：
Guangzhou Changlian Technology Co., Ltd. (hereinafter referred to as "Changlian Technology") is well aware of the importance of privacy to you and will do its best to protect your privacy. Please read, understand and agree to this Privacy Policy (hereinafter referred to as "this Policy") before submitting personal or privacy data to Changlian Technology. This Policy is an agreement between you and Changlian Technology regarding your registration, login and use of Changlian Technology products and services (QRMaster, QRKey, QRInn, QRHelp). This policy describes the rights and obligations between Changlian Technology and you regarding Changlian Technology's products and services. "User" means an individual or organization that registers, registers, logs in, uses, or browses the Service.
This Policy is formulated in accordance with China's data protection laws and regulations. "Personal information" referred to in this Policy refers to all kinds of information related to an identified or identifiable natural person recorded electronically or otherwise. Including name, ID number, mailing address, residential address, account information, property status, whereabouts, etc. Personal information includes sensitive personal information as stipulated in relevant Chinese laws and regulations. Sensitive personal information includes information such as biometrics, religious beliefs, specific identities, medical health, financial accounts, whereabouts, etc., as well as the personal information of minors under the age of 14.
We recommend that you carefully read and understand this Policy in its entirety and make the choices you deem appropriate. We strive to use easy-to-understand and concise words, and use bold to remind you of the terms and sensitive personal information in this policy that are materially related to your rights and interests. If we change this Policy, we will promptly post the latest version of this Policy in the App and prompt you to read the changes. By agreeing and continuing to use, you agree to the content of this Policy (including updated versions) and agree that we collect, store, use, share, disclose and protect your relevant information in accordance with this Policy.
This clients and related services described in this policy may vary depending on factors such as the model, system version, software application version, etc. of the device on which you are mounting. The final products and services are subject to the application client you use.
We have developed this policy to help you understand the following:
1. Changlian Technology will collect your personal data
2. How Changlian Technology will use your personal data
3. How to access or modify your personal data
4. How Changlian Technology will protect your personal data
5. How will Changlian Technology handle children's personal data
6. Location-based services
7. Use of Cookies
8. Face ID verification
9. Cancel your account
Appendix 1: Integration of third-party SDKs and how to use them
Appendix 2. Disclaimer
Appendix 3: Contact Us
1. Changlian Technology will collect your personal data
When we need information that identifies you (personal information) or information that can contact you, we will ask for your consent. Generally, when you use the online services of Changlian Technology products, we will request you to provide this information. This information is generally limited to:
1.1 Your approximate location and precise location;
When searching for a device through Bluetooth or booking a hotel to display a map and obtain the current location position, you need to have the permission to read location information, and if necessary, still read the location in silence or background to ensure the normal use of the function.
1.2 Contacts in your address book;
Select the recipient by reading the address book, and share the information about the key through SMS or social platforms, etc., in this case, your permission to read the address book will be used.
1.3 Your mobile phone model and related mobile phone parameter information, including your mobile phone number, IMEI, IMSI, etc.;
By reading the mobile phone device information, determine whether the account is logged in to the new device.
1.4 Turn on, use and turn off Bluetooth;
When clicking Bluetooth to open the door lock operation in the application, you need to use the collection Bluetooth function to turn on the Bluetooth permission, and communicate with the lock through Bluetooth, so that you can use Bluetooth to open the door normally.
1.5 Use NFC;
The card number is read through the NFC function, and the card is operated by the NFC read and write function, so that the card supports the door lock function.
1.6 Mobile phone read, write and storage permissions;
In the application, some functional requirements for sending or saving pictures, videos, or saving local information such as locks or keys are required, so that read and write permissions are required to access albums, storage, and other operations.
1.7 Photography and camera related permissions;
Modify the account avatar or modify the cover of the key by taking a photo.
1.8 Make phone calls;
Users can call the customer service hotline in the app to ask the customer service staff for help.
1.9 Device Information
Device information: We may receive and record information about the device you use (including Android ID, IMEI, MAC, SERIAL, SIM card IMSI identification code, device model, operating system and version, client version, device resolution, package name, device settings, process and software list, unique device identifier, software and hardware feature information), device location information (including IP address, GPS location and WLAN access point, Bluetooth, and base station sensor information that can provide relevant personal information).
2. How Changlian Technology will use your personal data
Changlian Technology will not sell your personal data to third parties. However, Changlian Technology will disclose your personal data under the following circumstances:
2.1 Disclosure with explicit consent: After obtaining your explicit consent, Changlian Technology will share your personal data with other parties.
2.2 Disclosure to Changlian Technology's affiliates: Your personal data may be shared with Changlian Technology's affiliates. As a policy, we will only disclose necessary data.
2.3 Disclosure to authorized partners (hereinafter referred to as "our partners"): Some services of Changlian Technology are provided by our partners. Changlian Technology may share some of your personal data with partners to provide better customer service and user experience. For example, when you purchase Changlian Technology products online, Changlian Technology must share your personal data with logistics service providers to arrange delivery or arrange partners to provide services. We will only process your personal data for specific, explicit and legitimate purposes and will only disclose data that is necessary to provide the service. The subsidiaries or partners of Changlian Technology do not have the right to use the shared personal data for any other purpose.
2.4 Disclosure based on law or reasonable basis: Changlian Technology may disclose your personal data under the circumstances of laws, legal procedures, litigation or public and government authorities. In some jurisdictions, if Changlian Technology is involved in a reorganization, merger or bankruptcy and liquidation litigation, your personal data will also be disclosed to the counterparty. Changlian Technology will also disclose your data when there is a reasonable need, such as for the purpose of enforcing terms and conditions and protecting customers.
3. How to access or modify your personal data
According to the terms and conditions of Changlian Technology, you can manage your personal data, such as your account information, at any time. You should ensure that all personal data submitted is accurate. Changlian Technology will try its best to maintain the accuracy and completeness of personal data and update these data in a timely manner.
You have the right to access your personal data, subject to certain legal exceptions. If the privacy and information laws of some jurisdictions differ, we will comply with those laws. If you would like to exercise your right of data access, please notify us by sending an email to service@uclbrt.com. For security reasons, you may be required to provide a written request.
You also have the right to delete or amend any personal information we hold about you. Changlian Technology will delete or modify such information at your request. To make such a request, please contact us by sending an email to service@uclbrt.com. We will refuse to process requests if we have reasonable grounds to believe that they are deceptive, impossible to perform, or if local law does not provide for access.
4. How Changlian Technology will protect your personal data
Changlian Technology attaches great importance to the security of personal data. We adopt industry-standard practices to protect your personal data from unauthorized access, disclosure, use, modification, damage or loss. We will take all reasonably practicable steps to protect your personal data. For example, we use encryption to ensure the confidentiality of data; We use trusted protection mechanisms to prevent malicious attacks on data; We will deploy access control mechanisms to ensure that only authorized personnel can access personal data; and we will hold security and privacy protection training courses to enhance employees' awareness of the importance of protecting personal data.
We will take all reasonably practicable steps to ensure that irrelevant personal data is not collected. We will only retain your personal data for as long as necessary to achieve the purposes described in this Policy, unless an extension of the retention period is required or permitted by law. We do our best to protect your personal data, but please note that no security measures are impenetrable.
5. How will Changlian Technology handle children's personal data
Our products, websites and services are intended primarily for adults. Children may not create their own user accounts without parental or guardian consent. Where we collect personal data from children with parental consent, we will only use or disclose this data as permitted by law, with the explicit consent of a parent or guardian, or as necessary to protect the child. Although local laws and customs define a child differently, we consider anyone under the age of 14 to be a child.
If Changlian Technology finds that it has collected children's personal data without prior verifiable parental consent, it will try to delete the relevant data as soon as possible.
6.Location-based services
When accessing certain location-based services (such as push services and location services), Changlian Technology will collect, use and process the accurate location or obfuscated location of your device. Changlian Technology needs this location information to provide the above services. Changlian Technology will collect your device's identification code (IMEI, ESN, MEID and SN), device type, model and real-time location data (obtained through GPS, WLAN and service provider's network ID). The purpose of collecting location data is to provide and improve location-based products and services.
We'll ask you which apps you want to enable location-based services for. You can choose to opt out of sharing your location data by turning off location-based services on your device. For more information on how to disable location-based services, contact your network operator.
7. Use of Cookies
To ensure the proper functioning of our website, we sometimes store small data files called cookies on your computer or mobile device. A cookie is a plain text file that a web server stores on your computer or mobile device. The contents of a cookie can only be retrieved or read by the server that created it. Each cookie is unique to your web browser or mobile application. Cookies typically contain identifiers, site names, and some numbers and characters. With the help of cookies, websites are able to store data such as user preferences or the contents of the shopping basket.
Most large websites or Internet service providers enable cookies to improve the user experience. With the help of cookies, websites are able to remember a single visit by a user (using session cookies) or multiple visits (using persistent cookies). With the help of cookies, websites are able to save settings such as the language, font size and other browsing preferences of your computer or mobile device. This means that users do not need to reconfigure user preferences each time they access. If a website doesn't use cookies, the site treats a new visitor each time a user opens a web page. For example, if you log in to a website and go to another page, the site won't recognize you and you'll be logged out again.
Changlian Technology will not use cookies for any purpose other than the purposes described in this policy. You can manage or delete cookies according to your preferences. You can clear all cookies saved on your computer, and most web browsers have a feature to block cookies. However, if you do this, you will need to change your user settings yourself each time you visit our website. For more information on how to change your browser settings, visit the following links: < Internet Explorer >, < Google Chrome >, < Mozilla Firefox >,<Safari> and <Opera> 。
8. Face ID verification
Changlian Technology also accesses Baidu's face recognition SDK to provide face ID verification to ensure that unique users get the electronic key. You can turn on or off the face recognition function in the lock cabinet APP, your face features are saved by the carrier (such as mobile phone or other smart handheld terminal device) and its system at the time you enter your face, Changlian Technology will not save your fingerprint features and face features.
9. Cancel your account
You can cancel the lock cabinet account through the corresponding process/channel of the client, and the search path is as follows: "User - General Settings - Account Cancellation." The operator of Changlian Technology promises not to set up unreasonable obstacles in the process of user logout, and not to make additional requirements to users who request cancellation; After the user clicks to cancel the account and verifies the correct verification through the lock dispenser account, he can immediately cancel the lock dispenser account; After the user account is cancelled, its personal information will be deleted or anonymized in a timely manner, and if it is necessary to retain personal information due to the law, it will not be used again for daily business activities.
Your cancellation of your account is irreversible, after your account is cancelled, the operator of Changlian Technology will not display your personal information and deleted information in the platform interface, and at the same time, you cannot obtain the relevant services of locking the dispenser through the cancelled account. For the account you have cancelled and the information associated with the account, we will retain the information until the expiration of the statutory period or use de-identification as soon as possible in accordance with the requirements of applicable laws and regulations.
Appendix 1: Integration of third-party SDKs and how to use them
In order to improve the quality of our products or services, in the process of using the app, we will integrate some third-party SDKs and may collect some of your data, we will strictly test the third-party SDKs accessed, and publicly explain to you the relevant circumstances of accessing the SDK, please refer to the official privacy policy of the third-party SDK (you use these third-party services (including any personal information you provide to these third parties), It will be subject to the terms of service and privacy policies of these third parties (not this policy), and you are requested to read the terms of the third party carefully. Please properly protect your personal information and only provide it to third parties when necessary)
1.MobTech:
Purpose of use: Using its sharing function service, it can facilitate users to share electronic (QR code, Bluetooth) keys, stores, etc. to social platforms, and integrate QQ, WeChat, line, WhatsApp, LinkedIn, Kakao Talk and other ways through MobTech to support users to share through various social platforms.
Personal information involved: Android ID, access address book phone number, network permissions, read and write permissions, device information (such as MAC address, IMEI), etc
Method/scope: When sharing keys in the app, the SDK will share the data and personal information you provide to the corresponding platform.
Third-party SDK Privacy Policy/Official Website:
https://www.mob.com/about/policy?fileGuid=rp3OVEB0p9TGaYAm
2. Tencent SDK/openSDK (QQ/WeChat SDK):
Purpose of use: It can facilitate users to share electronic (QR code, Bluetooth) keys, stores, etc. to QQ/WeChat, and at the same time log in to the account through WeChat/QQ for third-party login.
Personal information involved: Android ID, network permissions, read and write permissions, device information (such as MAC address, IMEI), etc
Method/scope: When sharing keys or inn links through WeChat or QQ in the app, the SDK will share them based on the data and personal information you provide.
Third-party SDK Privacy Policy/Official Website:
https://www.tencent.com/zh-cn/privacy-policy.html
3. Facebook SDK:
Purpose of use: Using its sharing function service, it can be convenient for users to share electronic (QR code, Bluetooth) keys, stores, etc. to the Facebook platform.
Personal information involved: Android ID, network permissions, read and write permissions, device information (such as MAC address, IMEI), etc
Method/Scope: When sharing keys via Facebook in the app, the SDK will share it based on the data and personal information you provide.
Third-party SDK Privacy Policy/Official Website: https://www.facebook.com/
4. Baidu face recognition/collection SDK:
Purpose of use: Since some customers use to store high-value items, they need to use the face recognition function to enter.
Personal information involved: Android ID, network permissions, reading and writing (obtaining SD card data): used to store model information, configuration files, and save security risk diagnosis information of the face security collection SDK; Read ID photos from albums to identify ID numbers and names for authoritative data source identity verification, device information (such as MAC address, IMEI), etc
Method/scope: If the user turns on the face recognition switch in the application, face recognition is required before further using subsequent functions (such as clicking to open and use a key in the key list), if face collection has not been carried out before, you need to jump to upload the ID photo before face collection.
Third-party SDK Privacy Policy/Official Website:
https://ai.baidu.com/ai-doc/REFERENCE/Vkdygjliz
5. Tencent positioning SDK:
Purpose of use: Using its location function service, it is convenient for users to locate the location or current location of the hotel to be booked or the store to be browsed.
Personal information involved: Android ID, obtaining location, network permissions, read and write permissions, device information (such as MAC address, IMEI), etc
Method/scope: When booking a hotel in the app, you can switch to the desired city and view the hotel availability in the area.
Third-party SDK Privacy Policy/Official Website:
https://lbs.qq.com/userAgreements/agreements/locSDK
6. JPush SDK for Aurora:
Purpose of use: Provide users with notification information push function according to the user's model.
Personal information involved: Device parameters and system information (device type, device model, system version, and related hardware information): used to identify the user's device type, device model, system version, etc., to ensure accurate message distribution; Device identifiers (IMEI, IDFA, Android ID, GAID, MAC, OAID, VAID, AAID, IMSI, MEID, UAID, hardware serial number information, ICCID, SIM information): used to identify unique users, ensure accurate delivery of push and accurate statistics of push information; Network information (IP address, WiFi information, base station information, DNS address, DHCP address, SSID, BSSID) and location information (latitude and longitude): used to optimize network connection requests between SDK and Aurora servers, ensure service stability and continuity, and achieve regional push function;
Method/scope: When there is a shortage of power in the door lock in the application, the user will be prompted by the SDK push message to the application.
Third-party SDK Privacy Policy/Official Website: https://www.jiguang.cn/license/privacy
7.AliPay Alipay SDK:
Purpose of use: It is convenient for users to use Alipay or jump to Alipay when booking hotel rooms and purchasing in-app related services.
Personal information involved: Android ID, network permissions, read and write permissions, device information (such as MAC address, IMEI), etc
Method/scope: When you make a hotel reservation or purchase an NFC room card encryption count in the app, the payment will be completed through the SDK.
Third-party SDK Privacy Policy/Official Website: https://render.alipay.com/p/c/k2cx0tg8
8. Umeng SDK:
Purpose of use: Using its statistical analysis function service to configure the data embedding point, which is conducive to us to carry out statistical analysis of the data of the user's use of the relevant function, so that we can better optimize and iterate the application according to the actual needs and preferences of the user.
Personal information involved: Android ID, network permissions, device information (such as MAC address, IMEI), etc
Method/scope: In the application, we will use the data burying event set by ourselves to count the specific actions of the user in some functions.
Third-party SDK Privacy Policy/Official Website: https://www.umeng.com/page/policy
9.Bugly SDK:
Purpose of use: When users use their applications for certain operations, there may be abnormal problems in some functions of the application or differences caused by certain models, resulting in software crashes, lags and other phenomena during use, at this time, the error information, device model and other data obtained by monitoring and uploading through the SDK are convenient for code tracking to know the specific scenario in which the user has problems and the cause of the problem, so as to repair and reduce the software crash rate and improve the user's sense of experience.
Personal information involved: Android ID, network permissions, device information (such as MAC address, IMEI, device brand/model), etc.;
Method/scope: detect the user operation path when the user uses the software operation;
Third-party SDK Privacy Policy:
https://bugly.qq.com/docs/user-guide/instruction-manual-privacy/?v=1.0.0
For the third-party SDKs integrated above, we will not share your user information with third parties.
Appendix 2. Disclaimer
1. The user agrees to compensate Changlian Technology and the cooperation and association and protect it from any claims, demands or losses, including reasonable attorney fees, caused or incurred by any third party in violation of this policy or the relevant terms of service.
2. Changlian Technology and its partners shall not be liable for all losses suffered by users due to communication line failures, technical problems, network and computer failures, system instability and other force majeure reasons of third parties such as telecommunications departments.
3. If the normal operation of the service is affected by technical failures and other force majeure events, Changlian Technology and its cooperative units promise to cooperate with relevant units in the first time and deal with them in a timely manner for repair, but Changlian Technology and its cooperative units shall not be liable for all losses suffered by users as a result.
4. This policy, like most Internet services, is affected by factors including but not limited to user reasons, network service quality, social environment and other factors, and may be harassed by various security issues, such as others using user information, causing harassment in real life; Other software downloaded and installed by the user or other websites visited by the user contain viruses such as "Trojan horses", which threaten the security of the user's computer information and data, and then affect the normal use of this policy. Users should strengthen the awareness of information security and the protection of user data, and pay attention to strengthening password protection to avoid losses and harassment.
5. Users must understand that the use of this policy may be affected by unstable factors in various links because it involves Internet services. Therefore, this policy has the risk of service interruption or failure to meet user requirements due to force majeure, computer virus or hacker attack, system instability, user location, user shutdown and any other technical, Internet, communication line reasons, etc. Users shall bear the above risks, and Changlian Technology does not guarantee them. Changlian Technology does not assume any responsibility for the inability of users to send and receive reading information, or to send and receive incorrect information.
6. Users must understand that in the process of using this policy, there is a risk of anonymous or pseudonymous information from any other person, including threatening, defamatory, offensive or illegal content or behavior, or infringement of the rights of others (including intellectual property rights), and the user shall bear the above risks, Changlian Technology and cooperation do not make any type of guarantee for this policy, whether explicit or implied, including all implied warranties and conditions for the authenticity, merchantability, suitability for a specific purpose, ownership and non-infringement of the information , does not assume any responsibility for any direct, indirect, incidental, special and consequential damages arising from the improper or illegal use of the service by the user.
7. To ensure that this application can receive the broadcast information pushed by the client normally when it is in a closed or background running state, this application must use the (self start) ability, and there will be a certain frequency of self start or associated start behavior through the system sending broadcasts to wake up this application. This is necessary to achieve functionality and services.
Appendix 3: Contact Us
If you have any questions about the content of this policy, you can submit your feedback to the feedback in the app, or the contact email address (wanxx@uclbrt.com) of the person in charge of personal information protection, or contact us through the following information. We will reply to you in a timely manner in accordance with the requirements of laws and regulations.
• Application information: products of Changlian Technology Company (lock dispenser, key gang, Meizhu, shop)
• Developer information: Guangzhou Changlian Information Technology Co., Ltd
• Contact: 400-0900843/86-18902342619
This Privacy Policy was updated and published on June 19, 2025
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