Welcome to our products. DaVinci Consumer (including services provided by App and other products, hereinafter referred to as "products and services") is developed and operated by Yang Jie (hereinafter referred to as "we"). Ensuring user data security and privacy protection is our top priority. This privacy policy sets out the data collected and how it is processed when you visit and use our products and services.

Please read carefully and confirm that you fully understand all the rules and key points of this privacy policy before continuing to use our products. Once you choose to use it, it is deemed that you agree to the entire content of this privacy policy and agree that we collect and use your relevant information in accordance with it. If you have any questions about this policy during the reading process, you can contact our customer service for consultation. Please contact us through yangjie.layer@gmail.com or the feedback method in the product. If you do not agree to the relevant agreement or any terms in it, you should stop using our products and services.

This privacy policy helps you understand the following:

1. How we collect and use your personal information;
2. How we store and protect your personal information;
3. How we share, transfer, and publicly disclose your personal information;
4. How we handle the personal information of minors;

I. 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 or reflect the activities of a specific natural person alone or in combination with other information. We collect and use your personal information in accordance with the requirements of the "Cybersecurity Law of the People's Republic of China" and the "Information Security Technology Personal Information Security Specification" (GB/T 35273-2017) and other relevant laws and regulations, and strictly follow the principles of legitimacy, legality, and necessity, for the process of your use of the services and/or products we provide. In order to receive our comprehensive product services, you should first register a user account, through which we will record relevant data. All the information you provide comes from the data you provide when registering. The account name, password, and your own contact information that you intend to use, we may verify whether your identity is valid by sending text messages or emails.

II. How we store and protect your personal information

As a general rule, we only retain your personal information for the time required to achieve the purpose of information collection. We will retain your personal information for the time strictly necessary to manage the relationship with you (for example, when you open an account and obtain services from our products). For the purpose of complying with legal obligations or proving that a right or contract meets the applicable statute of limitations, we may need to retain your archived personal information after the expiration of the above period and cannot delete it at your request. When your personal information is no longer necessary for the purpose or archive corresponding to our legal obligations or statutory statute of limitations, we ensure that it is completely deleted or anonymized.

We use security protection measures that meet industry standards to protect the personal information you provide and encrypt key data therein to prevent it from being unauthorized access, public disclosure, use, modification, damage or loss. We will take all reasonable and feasible measures to protect your personal information. We will use encryption technology to ensure the confidentiality of data; we will use trusted protection mechanisms to prevent data from malicious attacks. It is worth mentioning that in order to strengthen the protection of privacy data, we have desensitized it when it is collected, and even in our own database, we will not store relevant, plain text privacy data.

III. How we share, transfer, and publicly disclose your personal information

When necessary to manage our daily business activities, in pursuit of legitimate interests to better serve our customers, we will use your personal information in a compliant and appropriate manner. For comprehensive consideration of business and various aspects, we only use this data ourselves and do not share it with any third party. We may share your personal information externally in accordance with laws and regulations or at the mandatory requirements of government authorities. Subject to laws and regulations, when we receive the above-mentioned request for disclosure of information, we will require the issuance of corresponding legal documents, such as subpoenas or investigation letters. We firmly believe that the information we are required to provide should be as transparent as possible within the scope permitted by law.

In the following circumstances, sharing, transferring, and publicly disclosing your personal information does not require your prior authorization and consent:

1. Directly related to national security and national defense security;
2. Directly related to criminal investigation, prosecution, trial, and execution of judgments;
3. For the purpose of safeguarding your or other individuals’ major legitimate rights and interests such as life and property, but it is difficult to obtain their consent;
4. Personal information that you disclose to the public on your own;
5. Collecting personal information from legally disclosed information, such as legal news reports, government information disclosure and other channels.
6. Necessary to sign and perform a contract at the request of the subject of personal information;
7. Necessary to maintain the safe and stable operation of the products or services provided, such as discovering and handling product or service failures;
8. Other circumstances stipulated by laws and regulations.

IV. How we handle personal information of minors

Our products, websites, and services are mainly for adults. Children may not create their own user accounts without the consent of their parents or guardians. In the case of collecting children's personal information with parental consent, we will only use or disclose this information when permitted by law, with the explicit consent of parents or guardians, or when necessary to protect children.

If we find that we have collected children's personal information without obtaining verifiable parental consent in advance, we will try to delete the relevant data as soon as possible. If you are a guardian of a minor, please contact us in a timely manner if you have any questions about the minor's use of our services or the user information they provide to us. We will protect the confidentiality and security of minors' user information in accordance with relevant national laws and regulations and the provisions of this policy.