Update Date: November 19, 2025

Effective Date: November 19, 2025

                                          Privacy Policy
I. Introduction


Jinan Langrui Testing Technology Co., Ltd., hereinafter referred to as "Langrui", our company attaches great importance to user privacy. When you use our service "Online Detection System", we may collect and use certain necessary relevant information to ensure the normal use of the service. We hope to explain to you through this "Privacy Policy" how we collect, use, store, and share this information when you use our services, as well as the methods we provide for you to access, update, control, and protect this information. This "Privacy Policy" is closely related to the Langrui products you use. We hope you read it carefully and, when necessary, make choices you deem appropriate according to the guidance of this "Privacy Policy". For relevant technical terms involved in this "Privacy Policy", we try to use simple and concise expressions and provide further explanations for your understanding.


Your use or continued use of our services means that you agree to our implementation of related functions in accordance with this "Privacy Policy". Please read and understand this "Privacy Policy" carefully before using our products and services.


1. Clear and Explicit

We will use plain and easy-to-understand language to explain the privacy policy to you, so that you can more clearly understand how we protect and process the collected data information.


2. Protecting Rights and Interests

We will take sufficient and reasonable measures to protect your privacy rights and interests.


3. Respecting Users

We respect users' freedom to exercise rights such as the right to choose and the right to know.


4. Necessary Security

We only collect necessary information and use this information to provide you with safe and detailed services.


5. Timely and Considerate

We will always receive your feedback and make adjustments as soon as possible.


II. For better explanation, the following concepts in this policy refer to:


1. Personal Common Device Information: Refers to information describing the basic situation of personal commonly used devices, including MAC address, software installation list, contacts, SMS, Android ID, OAID, IP address, SIM card IMSI information, WIFI information BSSID/SSID, installed App information, and running process information, etc.


2. Commonly Used Mobile Permissions: Allow notification permission, clipboard.


III. How We Collect and Use Your Personal Information


Personal information refers to various information recorded electronically or by other means that can, alone or in combination with other information, identify the identity of a specific natural person or reflect the activities of a specific natural person. We will collect and use your personal information for the following purposes stated in this policy:


We will use your information for the purposes mentioned above. When we want to use the information for other purposes not specified in this policy, we will seek your consent in advance. When we want to use information collected for a specific purpose for other purposes, we will seek your consent in advance.


We may use the information collected in the process of providing services to you for the following purposes:


Providing services to you;


Helping us design new services and improve our existing services;


Software certification or management software upgrade;


We will make every possible effort to use appropriate technical means to ensure that you can access, update, and correct your registration information or other personal information provided when using our services.


If you have any questions about this "Privacy Policy" or related matters, please contact us at lrkj@jnlrkj.com.


Privacy Policy Guarantee


Comply with applicable laws and regulations;


Comply with court orders or other legal process provisions;


Comply with the requirements of relevant government authorities;


For uses reasonably necessary to comply with applicable laws and regulations and maintain social public interests.


Update Date: November 19, 2025

Effective Date: November 19, 2025

Contact Us

Customer Service Hotline: 400-117-5168

Company Website: www.jnlrkj.com | Company Email: lrkj@jnlrkj.com

Office Address: Room 2204, Building 1, Hisense Chuangzhi Valley, No. 2116 Fenghuang Road, High-tech Zone, Jinan City, Shandong Province

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