Personal Information Protection Statement of Defon Hubei Heat Exchanger Co., Ltd. Official Website

Version: V1.0

Effective Date: April 10, 2026

Welcome to the official website of Defon Hubei Heat Exchanger Co., Ltd. (hereinafter referred to as "Defon Hubei" or "we"). We fully understand the importance of your personal information and are committed to protecting your privacy. In accordance with the Personal Information Protection Law of the People's Republic of China, the Regulations on the Security Management of Network Data, and other relevant laws and regulations, we have formulated this Statement to clearly explain how we collect, use, and protect your personal information.

I. Collection of Information

When you submit a form through the "Business Cooperation" page on this website, we will collect the following information that you voluntarily provide in order to respond to your business inquiries:

Basic information: name, contact telephone number (mobile/landline), email address;

Organizational information: company name, your position;

Requirement information: the type of business you are inquiring about, and a detailed description of your needs.

Please be aware that the contact telephone number (mobile) you provide in this form is considered sensitive personal information under the Personal Information Protection Law. We will process such sensitive personal information only for the specific purpose of responding to your business needs, on a necessary and adequate basis, and after obtaining your separate consent.

II. Use of Information

We will use your personal information solely for the following purposes:

1. To respond to your business inquiries, contact you via the provided means, and reply to your requests;

2. To provide you with information about products, solutions, or services that you are interested in;

3. For internal business statistics and customer demand analysis (which will be anonymised and cannot identify a specific individual).

III. Storage and Protection of Information

Storage location: Your personal information will be stored on servers located within the People's Republic of China.

Retention period: We will retain your personal information only for the shortest period necessary to fulfil the purposes stated in this Statement. In principle, your information will be retained for 2 years, after which it will be deleted or anonymised.

Security measures: We adopt industry‑standard security technologies and procedures (including but not limited to HTTPS encrypted transmission, access control, regular security audits, etc.) to prevent your personal information from being leaked, lost, misused, or accessed without authorisation.

IV. Sharing with Third Parties

We undertake that we will not sell your personal information to any third party. Unless we obtain your separate consent or as otherwise required by laws and regulations, we will not share your personal information with any external third party.

V. Your Rights

Under the Personal Information Protection Law, you have the following rights regarding your personal information:

Right of access and copying: You have the right to request access to or copies of your personal information held by us;

Right of rectification and supplementation: If you find that your personal information is inaccurate or incomplete, you have the right to request corrections or supplements;

Right to withdraw consent: You have the right to withdraw your consent to our processing of your personal information at any time. Withdrawal does not affect the lawfulness of processing activities carried out based on your consent before the withdrawal;

Right of deletion: Under certain circumstances (e.g., when the purpose of processing has been achieved or the retention period has expired), you have the right to request deletion of your personal information;

Right to cancel account data: If you need to cancel your relevant data, you may contact us via the methods provided below.

VI. How to Contact Us

If you have any questions about this Statement or wish to exercise any of the above rights, you may contact us through the following channels:

Company name: Defon Hubei Heat Exchanger Co., Ltd.

Telephone: 0714-8762954

Email: defon_marketing@hbdefon.com

Address: No. 89, Tongdu Avenue, Luojiaqiao Street, Daye City, Hubei Province, China (Postal code: 435100)

VII. Changes to This Statement

We reserve the right to update this Statement from time to time. In the event of material changes (such as significant changes in the purpose or method of information processing), we will publish the updated version on this website and notify you through prominent means.