Huating Dachang Business (Shanghai) Co., Ltd. and its affiliates (hereinafter referred to as “HTDK” or “we”) highly value your privacy and the protection of your personal information. When you visit or use the HTDK official website (http://m.jstouzi.com.cn), HTDK will collect and process your personal information in accordance with applicable laws. This Privacy Statement explains how we collect and process your personal information provided through the HTDK official website or via contact methods on the website (including email, phone, or address), as well as during online or offline interactions with us. It also outlines your related rights.

Before visiting or using the HTDK official website, please read this Privacy Statement carefully. By continuing to visit or use the HTDK official website or interacting with us via the contact methods provided on the website, you acknowledge that you have understood and agreed to the terms of this Privacy Statement and consent to our collection and processing of your personal information as described herein. If you do not agree with the terms of this Privacy Statement, please stop using the HTDK official website immediately.

Typically, you do not need to disclose your identity or provide any personal information to browse the HTDK official website or use most of its services. However, if you contact or communicate with us through the contact methods provided on the HTDK website, we may need to collect some necessary personal information, including your name, phone number, email address, mailing address, and employer, to respond to your inquiries and requests. Refusing to provide your personal information may result in our inability to offer certain specific information or services.

We typically process your personal information in the following scenarios:

• When you contact or communicate with us through the contact methods provided, to respond to your inquiries and requests;
• To provide the product information or services you request;
• To operate, maintain, optimize, and improve our website and services;
• To manage and protect the security of our business and systems.

Generally, we will not share your personal information with any third parties, except in the following situations:

• With your prior consent;
• When required by laws, regulations, or regulatory authorities;
• To protect our legitimate rights and interests or those of others.

HTDK complies with the ISO/IEC 27001 Information Security Management System (ISMS) and ISO/IEC 27701 Privacy Information Management System (PIMS) and employs various technical and organizational measures to protect your personal information. For example, we implement access controls, authentication mechanisms, firewalls, and secure servers, and we anonymize or encrypt certain types of data. Additionally, HTDK regularly tests and evaluates the effectiveness of these measures to ensure the security of your personal information.

In the event of incidents such as unexpected events or force majeure causing a data breach, we will take measures to control the situation and promptly inform you of the cause of the event, the security measures taken, and the measures you can take. If a personal information security incident occurs, we will report it to the relevant regulatory authorities as required by applicable laws and conduct problem-solving and emergency measures in a timely manner.

Please note that the internet is not an entirely secure environment. If you discover a breach in the personal information we collect or process, please contact us immediately at it_support@htdkgroup.com so we can take appropriate measures.

Under the conditions and scope defined by law, you have the following rights regarding your personal information:

• You may confirm whether HTDK has collected and processed your personal information. If so, you have the right to access or request a copy of it;
• If your personal information is inaccurate or incomplete, you have the right to request correction or supplementation;
• You may withdraw your consent to the processing of personal information at any time. However, withdrawal does not affect the validity of prior processing activities based on your consent;
• You may request the transfer of your personal information to another designated data processor;
• You have the right to request an explanation of HTDK’s personal information processing rules;
• Under certain circumstances, you may restrict or object to the processing of your personal information;
• You may request the deletion of your personal information in specific circumstances.

To exercise the above rights, please contact us via it_support@htdkgroup.com.

We store your personal information in China. If we need to transfer your personal information overseas, we will comply with applicable laws and provide the same level of data protection as required by those laws.

Unless otherwise required by law, we store your personal information according to the following principles:

• We retain your personal information to fulfill legitimate business needs (e.g., providing product information or services or complying with applicable laws or regulatory requirements).
• We only retain your personal information as necessary to achieve the purposes for which it was collected or to comply with legal or regulatory requirements. Once your personal information is no longer needed, we will delete or anonymize it in accordance with applicable laws.

The HTDK website is intended for adults and does not target minors. We do not knowingly collect personal information from minors under the age of 14 without prior parental or guardian consent. If we discover that we have collected such information without parental consent, we will delete it. If you are a parent and discover that your child has provided personal information to us without your consent, please contact us at it_support@htdkgroup.com, and we will handle the matter according to applicable laws.

Cookies are small text files placed on your device to store data, which can be retrieved by the web server. We use cookies and similar technologies to ensure the normal operation of the website, improve your browsing experience, store your preferences, prevent fraud, and achieve other legitimate purposes.

When you visit the HTDK website, we may use cookies or similar technologies to collect information (e.g., website usage data). Generally, we cannot directly identify you through this information.

We use cookies and similar technologies to:

• Ensure the normal functioning of the HTDK website. These cookies are essential for the functionality of the site, such as saving your input for future visits.
• Analyze website usage to measure and improve performance. These cookies collect behavioral data to help improve site architecture, navigation, and content.

You can control cookies and similar technologies through your browser settings. If you disable cookies, certain features of the HTDK website may not function properly. For any questions regarding our use of cookies, contact us at it_support@htdkgroup.com.

The HTDK website may contain links to third-party websites deemed valuable. This Privacy Statement applies only to the HTDK website. We do not guarantee or assume responsibility for the privacy practices or content of third-party websites. We recommend reviewing the privacy policies of those websites.

We may update this Privacy Statement in response to changes in applicable laws, regulations, or operational needs. When changes are made, we will publish the latest version on the HTDK website.

If you have any questions about this Privacy Statement or concerns about our handling of your personal information, please email us at it_support@htdkgroup.com.