LangLangLab Privacy Policy

Last updated:October 14, 2025

This Privacy Policy describes our policies and procedures regarding the collection, use, and disclosure of your information when you use the Service, and informs you about your privacy rights and how the law protects your information.

We use your Personal Data to provide and improve the Service. By using the Service, you agree to the collection and use of your information in accordance with this Privacy Policy.

1. Interpretation and Definitions

1.1 Interpretation

In this Privacy Policy, all words with the first letter capitalized are defined under the following conditions. Whether these words appear in singular or plural form, they shall have the same meaning.

1.2 Definitions

For the purposes of this Privacy Policy:

Accountmeans the unique account created for you to access our Service or parts of our Service.
Affiliatemeans an entity that controls, is controlled by, or is under common control with a party, where "control" means ownership of more than 50% of the shares, equity interest, or other securities entitled to vote for the election of directors or managing authorities.
Company(referred to in this agreement as "the Company", "we", "us", or "our") refers to Huranzhijian Network Studio, Longgang District, Shenzhen, whose registered address is No. 101, No. 29 Aimin Road, Tongle Community, Longgang Subdistrict, Longgang District, Shenzhen.
Cookies means small files stored on your computer, mobile device, or other devices, which contain records of your browsing history on a website and serve other purposes.
Country refers to China.
Devicemeans any device that can access the Service, such as a computer, mobile phone, or digital tablet.
Personal Datameans any information relating to an identified or identifiable individual.
Service refers to this Website.
Service Providermeans any natural or legal person who processes data on behalf of the Company, who may be engaged by the Company to assist in providing the Service, to perform work related to the Service, or to assist in analyzing the usage of the Service.
Third-party Social Media Servicemeans any social network or website that allows users to log in or create accounts through it to use the Service.
Usage Datameans data collected automatically when using the Service, which may be produced by the Service itself or by the Service's infrastructure (e.g., page view duration).
Websiterefers to LangLangLab, accessible via http://www.langlanglab.com .
Youmeans the individual, company, or other legal entity accessing or using the Service, as applicable.

2. Collection and Use of Personal Data

2.1 Types of Data Collected

Personal Data

While using the Service, we may ask you to provide certain personally identifiable information that can be used to contact or identify you. Such personally identifiable information may include, but is not limited to:

Email address
First name and last name
Usage Data

Usage Data

When you use the Service, Usage Data is collected automatically, including but not limited to:

Your device's IP address (e.g., Internet Protocol address)
Browser type and version
The pages you visit, and the time and date of your visits
The time spent on those pages
Unique device identifiers and other diagnostic data

When you access the Service via a mobile device, the information we may collect automatically includes, but is not limited to:

Mobile device type
Mobile device unique ID
Mobile device IP address
Mobile operating system
Mobile browser type
Unique device identifiers and other diagnostic data

In addition, we may collect information sent by your browser when you visit our Service, or when you access the Service via a mobile device.

2.2 Information from Third-party Social Media

We allow you to create an account and log in to use the Service through the following third-party social media services:

Google

If you choose to register through a third-party social media service or authorize us to access your account, we may collect Personal Data associated with your social media account, such as your:

First name
Email address

In addition, you may choose to provide us with additional information through your third-party social media account. By registering or providing such information, you authorize us to use, share, and store such information in accordance with this Privacy Policy.

3. Tracking Technologies and Cookies

We use Cookies and similar technologies to track activity on the Service and to store certain information. These technologies may include:

Cookies or Browser Cookies:These are small files stored on your device. You can set your browser to refuse all Cookies, or to alert you when Cookies are sent. However, if you do not accept Cookies, you may not be able to use certain parts of our Service.
Web Beacons:Some of our Service pages or emails may contain small electronic files that can be used to count visitors, monitor whether emails have been opened, or for other statistical analysis.

The types of Cookies we use include:

Necessary / Essential Cookies (Session Cookies) — These Cookies are used to authenticate users and prevent fraudulent use.
Cookies Policy / Acceptance Cookies (Persistent Cookies) — These Cookies are used to record whether users accept the Cookies usage policy.
Functional Cookies (Persistent Cookies) — These Cookies remember your preferences (e.g., language settings) to provide a more personalized experience.

4. Use of Personal Data

The Company may use your Personal Data for the following purposes:

To provide and maintain our Service:including monitoring the usage of our Service.
To manage your Account:to manage your user account so that you can access the various features we provide.
To fulfill contracts:to develop, comply with, and perform the purchase contract or any other contract you enter into with us through the Service.
To contact you:to contact you via email, telephone, SMS, or other equivalent electronic communication methods (e.g., mobile app push notifications), to provide you with updates or information related to the Service's features, products, or contracted services, including security updates when necessary or reasonable.
To provide you with marketing and promotional information:to provide you with information about our other products, services, or events that may be similar to those you have already purchased or inquired about, unless you choose not to receive such information.
To process your requests: to respond to and process your requests or feedback.
Business transfers:We may use your information in connection with a business merger, sale of company assets, financing, or acquisition, and your Personal Data may be part of the transferred assets.
Other purposes:We may use your information for other purposes, such as data analysis, identifying usage trends, evaluating the effectiveness of marketing campaigns, and improving our Service, products, marketing strategies, and your user experience.

4.1 Circumstances in which we may share your personal information

We may share your personal information with third parties in the following circumstances:

Sharing with Service Providers:We may share your personal information with third-party partners who assist us in providing the Service, such as analyzing usage or contacting you.
Business transfers:In the course of a business merger, sale of company assets, financing, or acquisition, we may share or transfer your personal information.
Sharing with Affiliates:We may share your information with our parent company, subsidiaries, or other companies under our common control, and we will require these Affiliates to comply with this Privacy Policy.
Sharing with business partners:We may share your information with our business partners to provide you with specific products, services, or promotional offers.
Sharing with other users:When you share personal information in public areas, or interact through third-party social media services, other users may see this information.
Sharing with your consent:If you grant us permission, we may disclose your personal information for specific purposes.

5. Retention of Personal Data

The Company will retain your Personal Data only for as long as necessary to fulfill the purposes set out in this Privacy Policy. We will retain and use your personal information to fulfill legal obligations (e.g., where required by law to retain certain data), to resolve disputes, and to enforce our agreements and policies, in accordance with applicable legal requirements.

In addition, the Company will retain Usage Data for internal analysis purposes. Generally, Usage Data is retained for a shorter period of time, unless the data is used to enhance security, improve the functionality of our Service, or where the law requires us to retain it for a longer period.

6. Transfer of Personal Data

Your information, including Personal Data, will be processed at the Company's operating offices and other locations involved in data processing. As a result, your information may be transferred outside of your state, province, country, or other governmental jurisdiction, where the data protection laws may differ from those in your region.

By agreeing to this Privacy Policy and submitting your information, you consent to such transfers.

The Company will take all reasonably necessary measures to ensure that your data is secure and that your personal information is processed in accordance with this Privacy Policy. We will not transfer your Personal Data to any organization or country without ensuring that appropriate safeguards are in place.

7. Deletion of Personal Data

You have the right to request deletion of the Personal Data we have collected. Our Service may allow you to delete certain information yourself, or to manage your personal information via account settings.

To request access to, modify, or delete your Personal Data, you may submit a request by contacting us. Please note that in certain circumstances, we may need to retain certain information to fulfill legal obligations or where there is a legitimate basis for doing so.

8. Disclosure of Personal Data

8.1 Business Transactions

If the Company is involved in a merger, acquisition, or sale of assets, your Personal Data may be transferred. We will notify you in advance and ensure that your Personal Data is subject to the new Privacy Policy.

8.2 Legal Requirements

In certain circumstances, the Company may disclose your personal information due to legal requirements, such as:

To comply with a legal obligation
To protect and defend the rights or property of the Company
To investigate possible misconduct related to the Service
To protect the personal safety of users of the Service or the public
To prevent legal liability

9. Security of Personal Data

We take the security of your Personal Data very seriously, but please remember that no method of transmission over the Internet or electronic storage is 100% secure. While we take reasonable commercial measures to protect your personal information, we cannot guarantee absolute security.

10. Children's Privacy

Our Service is not intended for children under the age of 13. We do not knowingly collect Personal Data from children under 13. If you are a parent or guardian and become aware that your child has provided us with Personal Data, please contact us immediately. If we discover that we have collected Personal Data from children under 13 without parental consent, we will take steps to remove such information from our servers.

If we need to process information about minors in accordance with the law, we may require parental consent.

11. Links to Other Websites

Our Service may contain links to other websites that are not operated by the Company. If you click on a third-party link, you will be directed to that third-party website. We strongly recommend that you review the privacy policy of each website, as we have no control over and assume no responsibility for the content, privacy policies, or practices of any third-party websites.

12. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. When we make changes, we will post the new Privacy Policy on this page and notify you via email or through our Service before the changes take effect.

We recommend that you review this Privacy Policy periodically to stay informed of any changes. Changes to this Privacy Policy will take effect immediately upon being posted on this page.

13. Contact Us

If you have any questions about this Privacy Policy, please contact us via the following:

Email:support@langlanglab.com
Website:https://www.langlanglab.com
Company:Huranzhijian Network Studio, Longgang District, Shenzhen