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Privacy Policy

Last Updated: October 9, 2026

This Privacy Policy explains how meilongmfg.com, operated by Yancheng Meilong Machinery Co., Ltd., handles information when you visit the website or contact us about mechanical seals, custom industrial components, and related services.

1. Information We Collect

We may collect the following types of information when you interact with our website:

  • Contact Information: Name, company name, job title, email address, phone number, and country.
  • Project Information: Technical specifications, CAD drawings (PDF, DWG, STEP, IGES, SolidWorks), material requirements, quantity estimates, and application details submitted through our Request Quote form.
  • Communication Records: Email correspondence, WhatsApp messages, and inquiry history.
  • Technical Data: IP address, browser type, operating system, referring URLs, and pages visited (collected automatically via standard web server logs).
  • Website Analytics: Google Analytics 4 collects information about page views, website interactions, referring sources, and browser and device characteristics to help us understand website usage.

2. How We Use Your Information

We use the information we collect exclusively for the following purposes:

  • Quote Preparation: To analyze your technical requirements, prepare detailed manufacturing quotations including material costs, lead times, and DFM (Design for Manufacturing) feedback.
  • Order Processing: To process purchase orders, manage production scheduling, arrange quality inspections (NDT, CMM, material certification), and coordinate international shipping.
  • Communication: To respond to inquiries, provide technical support, send order confirmations, and notify you of production status updates.
  • Service Improvement: To analyze website usage patterns and improve our product pages, technical resources, and user experience.
  • Legal Compliance: To comply with applicable laws, regulations, and contractual obligations including export control documentation.

3. Information Sharing & Disclosure

We do not sell, rent, or trade your personal or business information to third parties. We may share your information only in the following limited circumstances:

  • Website and form providers: Our hosting provider and Web3Forms process technical data and form submissions to operate the website and deliver inquiries.
  • Analytics provider: Google processes website usage data through Google Analytics 4 to provide analytics reports.
  • Order service providers: Information may be shared with relevant manufacturing, inspection, freight, customs, or other service providers when needed to review or perform an agreed order.
  • Legal Requirements: When required by law, court order, or governmental regulation.
  • Business Transfers: In connection with a merger, acquisition, or sale of company assets, provided the receiving party agrees to respect your information.

4. Data Security

We use reasonable technical and organizational measures appropriate to the information and service, including:

  • SSL/TLS encryption for all data transmitted through our website.
  • Limiting project-file access to people and service providers involved in the inquiry or order.
  • Using established hosting and form-processing services for website delivery.

While we strive to protect your information, no method of electronic transmission or storage is 100% secure. We cannot guarantee absolute security.

5. Data Retention

We retain your information only for as long as necessary:

  • Active Projects: Throughout the project lifecycle (inquiry → quote → production → delivery → warranty period).
  • Completed Projects: Technical and commercial records may be retained for contractual, legal, quality, and repeat-order needs.
  • Website, analytics, and form records: Retention may also depend on the policies and settings of our hosting, analytics, and form providers.

6. Cookies & Analytics

We use Google Analytics 4 to understand how visitors use this website and improve its content. Google Analytics uses cookies to distinguish visitors and sessions. You can block or delete cookies through your browser settings.

For more information, see how Google uses information from sites that use its services. Google also offers a Google Analytics opt-out browser add-on. Hosting, security, and form providers may also process technical information needed to deliver and protect their services.

7. Your Rights

Depending on your jurisdiction, you may have the right to:

  • Access the personal data we hold about you.
  • Request correction of inaccurate information.
  • Request deletion of your data where legally permissible.
  • Object to or restrict certain processing activities.
  • Withdraw consent where processing is based on consent.

To exercise these rights, contact us at sales@meilongmfg.com.

8. International Data Transfers

As a China-based business using international service providers, inquiry information may be processed in China and other countries. Transfer requirements depend on the sender's jurisdiction and the services involved.

9. Third-Party Links

Our website may contain links to third-party websites. We are not responsible for the privacy practices of these external sites. We encourage you to review their privacy policies.

10. Changes to This Policy

We may update this policy periodically. Changes will be posted on this page with a revised "Last Updated" date. We encourage you to review this policy whenever you engage with us.

11. Contact Us

For questions about this Privacy Policy or our data practices:

  • Registered entity: Yancheng Meilong Machinery Co., Ltd.
  • Email: sales@meilongmfg.com
  • WhatsApp: +86 152 4030 8015
  • Registered address: Small and Medium-sized Enterprise Park, Liutao Central Community, Xiangshui County, Yancheng City, Jiangsu Province, China