Legal information

Privacy Policy

Last updated: 23 October 2026

Jiangsu Purestar EP Technology Co., Ltd. respects your privacy. This policy explains what personal information we collect when you use psd-carbon.com, contact us, request a quotation or sample, or communicate with our team, and how we use and protect that information.

1. Who is responsible for your information

The data controller is Jiangsu Purestar EP Technology Co., Ltd. (PURESTAR), located at No. 28 Gangao Road, Zhangjiagang Free Trade Zone, Suzhou, Jiangsu, China.

Privacy inquiries can be sent to sales@psd-carbon.com. Please use the subject “Privacy Request” so that your message can be routed correctly.

2. Information we collect

We collect information you provide directly, information generated when you use our website, and limited information received from business partners or service providers.

  • Contact and business information: name, company, job title, country or region, business email address, telephone or WhatsApp number, and communication records.
  • Quotation and product information: product interests, application details, technical specifications, quantities, delivery requirements, samples requested, and files or drawings you choose to send us.
  • Website and device information: IP address, browser and device type, operating system, language, pages viewed, referring page, approximate location derived from IP address, timestamps, and security logs.
  • Cookie and analytics information: information described in the Cookies section below, including analytics data only after you grant permission where consent is required.

Please do not send sensitive personal information through general website forms unless it is specifically necessary for your request.

3. How we use information and our legal bases

We use personal information to respond to inquiries, evaluate technical requirements, prepare quotations, provide samples, process and deliver orders, provide customer support, maintain business records, secure the website, and improve our products and services.

Where applicable data-protection law requires a legal basis, we rely on one or more of the following: taking steps at your request before entering a contract; performing a contract; our legitimate interests in operating and improving our business and protecting our systems; compliance with legal obligations; and your consent, including consent for non-essential analytics cookies or marketing communications where required.

You may withdraw consent at any time. Withdrawal does not affect processing carried out before consent was withdrawn.

4. Cookies and similar technologies

We use cookies and similar storage technologies to operate the website, remember preferences, protect forms, and understand aggregate website usage. We do not currently use advertising or cross-context behavioural advertising cookies.

CategoryPurposeConsent
Strictly necessarySecurity, load balancing, language preferences, form operation, spam prevention, and consent storage.Required for the website to function. These technologies cannot be disabled through our preference center.
AnalyticsGoogle Analytics and Site Kit help us understand page views, traffic sources, errors, and general website performance.Optional. Analytics storage is denied by default and enabled only when you opt in where consent is required.
Third-party form protectionGoogle reCAPTCHA may process technical signals to distinguish people from automated abuse when a protected form loads.Used for website security and spam prevention.

You can change your analytics choice at any time:

You can also remove or block cookies through your browser settings. Blocking necessary cookies may affect form submission, security checks, or language preferences.

5. How we share information

We do not sell or rent personal information. We may disclose information when reasonably necessary to:

  • service providers supporting hosting, content delivery, cybersecurity, email, analytics, translation, logistics, payment, accounting, and customer communications;
  • authorised distributors, agents, manufacturers, or logistics providers involved in responding to an inquiry or fulfilling an order;
  • professional advisers such as auditors, accountants, insurers, and legal advisers;
  • public authorities, courts, regulators, or other parties when required by law or necessary to protect legal rights, safety, and security; and
  • a successor entity in a merger, acquisition, restructuring, financing, or transfer of all or part of our business.

Cloudflare may process technical and security information as part of its content-delivery and security service. Google services may process analytics and reCAPTCHA information as described in Google’s own privacy documentation.

6. International transfers

We operate internationally. Information may be processed in countries other than the country where it was collected, including China and countries where our service providers operate. Where required, we use appropriate contractual, organisational, or legal safeguards for international transfers.

7. How long we keep information

We retain information only as long as reasonably necessary for the purpose for which it was collected. General inquiry records are normally retained for up to 24 months after the last meaningful communication. Customer, quotation, order, accounting, customs, warranty, security, and legal records may be retained for longer where required by law, tax rules, contractual obligations, dispute resolution, or fraud prevention. When information is no longer needed, we delete, anonymise, or securely archive it.

8. How we protect information

We use reasonable administrative, technical, and organisational safeguards, including HTTPS, access controls, spam protection, software updates, backups, and restricted employee access. No internet transmission or storage system can be guaranteed completely secure.

9. Your privacy rights

Depending on your location and applicable law, you may have the right to request access to, correction of, or deletion of your personal information; to restrict or object to certain processing; to request portability; to withdraw consent; to opt out of direct marketing; or to lodge a complaint with a competent data-protection authority.

We may need to verify your identity before fulfilling a request. We will not discriminate against you for exercising a legally protected privacy right. Send requests to sales@psd-carbon.com with the subject “Privacy Request”.

10. Marketing, children, and external links

Where permitted, we may send product updates, technical information, company news, and event information. You can opt out at any time using the unsubscribe link or by contacting us. Transactional and customer-service messages may still be sent when necessary.

Our website is intended for business users and is not directed to children. Third-party websites and embedded services are governed by their own privacy policies. We encourage you to review those policies before providing personal information.

11. Changes and contact

We may update this policy to reflect changes in our services, technology, or legal obligations. The revised version will be posted on this page with a new “Last updated” date.

Jiangsu Purestar EP Technology Co., Ltd.
No. 28 Gangao Road, Zhangjiagang Free Trade Zone, Suzhou, Jiangsu, China
Email: sales@psd-carbon.com

Free to contact us