Privacy Policy

Effective Date: April 23, 2026

LISUN GROUP ("we", "us", "our") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website https://www.ledgoniophotometer.com/ (the "Site"). Our products include integrating spheres, spectroradiometers, goniophotometers, surge generators, ESD simulators, and environmental test chambers for the lighting and electrical test instruments industry.

Information We Collect

We may collect personal information that you voluntarily provide to us when you express an interest in obtaining information about us or our products, participate in activities on the Site, or contact us. The information we collect may include:

• Name and contact data (email address, phone number, company name)
• Company billing information and delivery address for product orders and shipments
• Technical data such as IP address, browser type, operating system
• Usage data and preferences when interacting with our product catalogs

How We Use Your Information

We use the information we collect to:

• Provide, operate, and maintain our website and product services
• Process and manage your product inquiries, quotations, or purchase orders
• Improve customer experience and develop new products (e.g., test instruments, quality control equipment)
• Send you technical updates, marketing communications, or important notices (you may opt out anytime)
• Comply with legal obligations and protect against fraudulent or illegal activity

GDPR & CCPA Compliance

We comply with applicable data protection laws, including where applicable the General Data Protection Regulation (GDPR) for individuals in the European Economic Area (EEA) and the California Consumer Privacy Act (CCPA) for residents of California. Under these frameworks, you may have the following rights:

• Right to Access: Request a copy of the personal information we hold about you
• Right to Rectification: Request correction of inaccurate or incomplete information
• Right to Erasure ("Right to be Forgotten"): Request deletion of your personal information under certain circumstances
• Right to Restrict Processing: Request limitation of how we process your data
• Right to Data Portability: Request transfer of your data to another organization
• Right to Opt-Out (CCPA): Request that we not sell your personal information (we do not sell your data)

If you are located in the EEA, our legal basis for collecting and using your personal information depends on the specific context, but generally we rely on your consent, the necessity to perform a contract with you, or our legitimate business interests. To exercise any of these rights, please contact us using the information at the end of this policy.

Cookies and Tracking Technologies

We use cookies and similar tracking technologies to analyze trends, administer the website, track users' movements around the site, and gather demographic information. You can control the use of cookies at the individual browser level. If you reject cookies, some features of our Site may not function properly.

International Data Transfers

Your information may be transferred to and maintained on servers located outside of your country or other governmental jurisdiction where data protection laws may differ. If you are located outside China and choose to provide information to us, please note that we transfer the data to China and process it there. By using our Site, you consent to this transfer. For data transfers from the EEA, we implement Standard Contractual Clauses (SCCs) or other lawful transfer mechanisms to ensure adequate protection.

Data Security

We implement reasonable administrative, technical, and physical security measures to protect your personal information. However, no method of transmission over the Internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

Data Retention

We will retain your personal information only for as long as necessary to fulfill the purposes for which it was collected, including for the purposes of satisfying any legal, accounting, or reporting requirements. When we no longer need your personal information, we will securely delete or anonymize it.

Third-Party Links

Our website may contain links to third-party websites. We are not responsible for the privacy practices or content of such sites. We encourage you to read the privacy policies of every website you visit.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. The updated version will be indicated by an updated "Effective Date". We encourage you to review this Privacy Policy periodically.

Contact Us

If you have any questions about this Privacy Policy, please contact us at:

LISUN GROUP Legal Department
Email: [email protected]
Address: 113-114, No.1 Building, No. 1101, Huyi Road, Jiading District, Shanghai 201802, China
Phone: +86 21 5109 9999