Privacy Policy

This Privacy Policy applies to the official website of LONGRUN Instrument (https://www.longrun-flowmeter.com/, hereinafter referred to as "this Website") and related services. It is formulated by LONGRUN Instrument (hereinafter referred to as "we") to regulate our collection, storage, use, processing, transmission, provision, disclosure, deletion and other handling of users' personal information.

Please carefully read and fully understand all the contents of this Policy (especially the bolded clauses) before using this Website. Your access, browsing or use of this Website indicates that you agree to our handling of your relevant information in accordance with this Policy.

I. Scope and Methods of Information Collection

We follow the principles of legality, propriety, necessity and good faith, and only collect the information necessary to realize the functions and services of the Website.

1. Information You Voluntarily Provide

• Name, contact phone number, email address, company name, address, etc., filled in when consulting, leaving messages or submitting forms;
• Other information you voluntarily provide in emails, phone calls or online communications.

2. Information Automatically Collected by the System

• Access logs: IP address, browser type, operating system, access time, browsing pages, source channels, etc.;
• Cookies and similar technologies: used to optimize pages, remember preferences and count visits. You can refuse or clear them through browser settings.

3. Information We Do Not Collect

• Irrelevant sensitive personal information (ID number, biometrics, bank account, precise location, etc.);
• Personal information not necessary for realizing services.

II. Purposes of Information Use

We only use your information within the following scope:

• Respond to your requests for consultation, quotation, after-sales service, technical support, etc.;
• Send you relevant information about products, exhibitions, services, etc. (you can unsubscribe at any time);
• Website operation and maintenance, security guarantee, fault diagnosis and risk prevention;
• Data analysis, service optimization and user experience improvement (using anonymized data);
• Fulfill legal obligations and handle complaints and disputes.

III. Information Sharing, Transfer and Disclosure

We will not sell, rent or illegally provide your personal information to third parties. It will only be handled in accordance with the law in the following circumstances:

• Obtain your explicit consent;
• Entrust to authorized service providers (such as email sending, website hosting, technical support) for providing services, and the service providers shall assume the same confidentiality obligations;
• In case of merger, division, acquisition, asset sale, etc., the information will be transferred along with the business, and we will ensure that the receiving party continues to be bound by this Policy;
• Disclose in accordance with laws and regulations, the legitimate requirements of judicial/administrative organs, or to protect the interests of us, users and the public.

IV. Information Storage and Protection

• Storage Period: We only keep the information for the period necessary to achieve the purposes stated in this Policy, and delete or anonymize it after the expiration;
• Security Measures: We adopt HTTPS encryption, access permission control, data encryption, security audit, personnel training and other measures to protect information, and prevent leakage, tampering, loss, unauthorized access and use;
• Security Tips: The Internet is not absolutely safe. Please properly keep your account, password and other information.

V. User Rights

You may exercise the following rights in accordance with the law through the contact information listed in this Policy, and we will respond within the statutory time limit:

• Inquire about and copy your personal information;
• Correct and supplement inaccurate or incomplete information;
• Delete information that exceeds the necessary scope, is illegally processed or no longer needed;
• Restrict processing or withdraw consent (the withdrawal does not affect the legality of previous processing);
• Obtain a copy of the information and request data portability;
• File complaints and objections to the processing behavior.

VI. Protection of Minors

This Website is intended for enterprise users and adults, not for minors. If we find that we have collected minor information unintentionally, we will delete it immediately. Guardians may contact us to handle the relevant information.

VII. Third-Party Links

This Website may contain links to third-party websites, which have their own independent privacy policies. We are not responsible for the behavior of third parties. Please refer to their policies.

VIII. Policy Updates

We may revise this Policy in accordance with changes in business and laws and regulations. Major updates will be notified to you through website announcements and other methods. Your continued use of this Website after the update shall be deemed as acceptance of the revised Policy.

IX. Contact Information

If you have any questions, opinions about this Policy or need to exercise relevant rights, please contact us through the following methods:

Effective Date: April 20, 2026