Privacy Policy

Last Updated: April 1, 2025

Effective Date: March 1, 2025

3DFilamentBox is a product provided by us. When you use our services, we may collect and use your relevant information. Through this Privacy Policy, we would like to explain to you how we collect, use, store, and share this information when you use our services, as well as the ways we provide for you to access, update, control, and protect this information. This Privacy Policy is closely related to the 3DFilamentBox service you are using. We hope you will read it carefully and, when necessary, make choices according to the guidance of this Privacy Policy. We have tried to express the relevant technical terms in this Privacy Policy in a concise manner and provide links for further explanation to facilitate your understanding.

Your use or continued use of our services means that you agree to our collection, use, storage, and sharing of your relevant information in accordance with this Privacy Policy.

If you have any questions or concerns about this Privacy Policy or related matters, please contact us at my_3dhcb@qq.com.

1. Information We Collect

When we or our third-party partners provide services, we may collect, store, and use the following information about you. If you do not provide relevant information, you may not be able to register as our user or enjoy certain services we provide, or you may not be able to achieve the intended effects of the relevant services.

Personal information: The relevant personal information you provide to us when registering an account or using our services, such as phone number, email address, etc.

Log information: Information that the system may collect through cookies, identifiers, and related technologies when you use our services, including your device information, browsing information, click information, and storing such information as log information to provide you with personalized user experience and ensure service security.

Third-party SDKs we integrate:

Tencent Cloud TCB SDK

Third-party name: Tencent Cloud Computing (Beijing) Co., Ltd.

Privacy policy link: https://identity.tencent.com/docs/agreement/privacypolicy/

Donut Multi-platform SDK Beta

Third-party name: Tencent Technology (Shenzhen) Co., Ltd.

Information collected: To provide SDK services as necessary, we will collect device model and operating system version information from end users to solve compatibility issues of SDK products on different devices and operating systems.

Privacy policy link: https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/miniapp/pre-read/sdk/agreement/sdk.html

WeChat Open SDK

Third-party name: Shenzhen Tencent Computer Systems Co., Ltd.

Information collected: Different for Android and iOS, please refer to the 'WeChat Open SDK Personal Information Processing Rules' for details.

Privacy policy link: https://support.weixin.qq.com/cgi-bin/mmsupportacctnodeweb-bin/pages/RYiYJkLOrQwu0nb8

2. Information Storage

2.1 Storage Methods and Duration

We will store your information securely, including local storage (such as using the app for data caching), databases, and server logs.

In general, we will only store your personal information for the time necessary to fulfill the service purposes or under conditions stipulated by laws and regulations.

2.2 Storage Location

In accordance with laws and regulations, we will store user personal information collected within China's borders within China.

Currently, we do not transfer or store your personal information across borders. If cross-border transfer or storage is needed in the future, we will inform you of the purpose of the information exit, the recipient, security guarantee measures, and security risks, and obtain your consent.

2.3 Notification When Products or Services Cease Operation

When our products or services cease operation, we will notify you in the form of push notifications, announcements, etc., and delete your personal information or anonymize it within a reasonable period, unless otherwise stipulated by laws and regulations.

3. Information Security

We use various security technologies and procedures to prevent information loss, improper use, unauthorized viewing, or disclosure. For example, in some services, we will use encryption technology (such as SSL) to protect the personal information you provide. However, please understand that due to technical limitations and various possible malicious means in the internet industry, even with our best efforts to strengthen security measures, it is impossible to always guarantee 100% security of information. You need to understand that the systems and communication networks you use to access our services may have problems due to factors beyond our control.

4. How We Use Information

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

To provide services to you;

For identity verification, customer service, security prevention, fraud detection, archiving, and backup purposes when we provide services, ensuring the security of the products and services we provide to you;

To help us design new services and improve our existing services;

To better understand how you access and use our services, thereby responding to your personalized needs in a targeted manner, such as language settings, location settings, personalized help services and instructions, or responding to you and other users in other aspects;

To provide you with more relevant advertisements instead of generally placed advertisements;

To evaluate the effectiveness of advertisements and other promotions and promotional activities in our services and improve them;

For software certification or managing software upgrades;

To allow you to participate in surveys about our products and services.

5. Information Sharing

Currently, we do not actively share or transfer your personal information to third parties. If there are other circumstances of sharing or transferring your personal information, or if you need us to share or transfer your personal information to a third party, we will directly or confirm that the third party has obtained your explicit consent for the above actions.

For the purposes of placing advertisements, evaluating and optimizing advertisement placement effects, etc., we need to share some of your data with advertisers and their agents and other third-party partners, requiring them to strictly comply with our measures and requirements regarding data privacy protection, including but not limited to processing according to data protection agreements, commitment letters, and relevant data processing policies, avoiding identification of personal identity, and ensuring privacy security.

We will not share information that can be used to identify your personal identity (such as your name or email address) with partners unless you explicitly authorize it.

We will not publicly disclose the personal information we collect. If public disclosure is necessary, we will inform you of the purpose of this public disclosure, the type of information disclosed, and the sensitive information that may be involved, and obtain your explicit consent.

With the continuous development of our business, we may undergo mergers, acquisitions, asset transfers, and other transactions. We will inform you of the relevant circumstances and continue to protect or require the new controller to continue to protect your personal information in accordance with laws and regulations and standards no lower than those required by this Privacy Policy.

In addition, according to relevant laws, regulations, and national standards, we may share, transfer, or publicly disclose personal information without prior authorization and consent from you in the following situations:

Directly related to national security and national defense security;

Directly related to public safety, public health, and major public interests;

Directly related to criminal investigation, prosecution, trial, and judgment execution;

For the purpose of protecting the major legitimate rights and interests of the personal information subject or other individuals' life and property, but it is difficult to obtain the consent of the person;

Personal information that the personal information subject has disclosed to the public on their own;

Collecting personal information from legally publicly disclosed information, such as legal news reports, government information disclosure, and other channels.

6. Your Rights

During your use of our services, we may provide you with corresponding operation settings according to the specific situation of the product, so that you can query, delete, correct, or withdraw your relevant personal information. You can refer to the specific guidance for operation. In addition, we have also set up complaint and reporting channels, and your opinions will be dealt with in a timely manner. If you are unable to exercise your rights as a personal information subject through the above channels and methods, you can submit your request through the contact information provided in this Privacy Policy, and we will respond according to the provisions of laws and regulations.

When you decide to no longer use our products or services, you can apply to cancel your account. After canceling the account, unless otherwise stipulated by laws and regulations, we will delete or anonymize your personal information.

7. Changes

We may revise the terms of this Privacy Policy from time to time. When changes occur, we will prompt you with the new Privacy Policy when updating the version and explain the effective date to you. Please read the changed Privacy Policy content carefully. If you continue to use our services, it means you agree to our processing of your personal information in accordance with the updated Privacy Policy.

8. Protection of Minors

We encourage parents or guardians to guide minors under the age of eighteen to use our services. We recommend that minors encourage their parents or guardians to read this Privacy Policy and advise minors to seek the consent and guidance of their parents or guardians before submitting personal information.

9. Contact Us

If you have any questions, comments, or suggestions about this Privacy Policy, you can:

Send an email to: my_3dhcb@qq.com

Working hours: Monday to Friday 9:00-18:00 (excluding statutory holidays)

We will respond within 7 working days after receiving your question.

If you are not satisfied with our response, especially if our personal information processing behavior has harmed your legitimate rights and interests, you can also seek a solution by filing a lawsuit with a court with jurisdiction over the defendant's place of residence.

Contact Us

If you have any questions, comments, or suggestions about this Privacy Policy, please contact us at my_3dhcb@qq.com.