Privacy
Policy.

Xi'an Yusail Biotechnology Co., Ltd. (“Yusail”, “we”, “us”, or “our”) operates the website yusail.com. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website or submit an inquiry.

1. Information We Collect

We collect information you voluntarily provide when you:

• Submit a product inquiry or quote request
• Contact us via the contact form or email
• Subscribe to our updates

This may include your name, email address, phone number, company name, country, and the content of your message.

We may also automatically collect non-personal data such as browser type, pages visited, and referring URLs through cookies and analytics tools (e.g., Google Analytics), solely to improve our website experience.

2. How We Use Your Information

• To respond to your inquiries and provide product quotes
• To send you requested product information, certificates, or samples
• To improve our website and services
• To comply with legal obligations

We do not sell, rent, or trade your personal information to third parties for their marketing purposes.

3. Data Sharing

We may share your data with trusted service providers who assist in operating our website and business, including:

• Resend — transactional email delivery
• Supabase — secure database hosting (EU / US data centers)
• Cloudflare — security and performance (CAPTCHA verification)

All third-party providers are contractually bound to keep your data confidential and use it only for the services they provide to us.

4. Cookies

We use essential cookies required for the website to function, and optional analytics cookies to understand how visitors interact with our site. You can opt out of analytics cookies through your browser settings. We do not use advertising or tracking cookies.

5. Data Retention

Inquiry data is retained for up to 24 months to allow us to follow up on business inquiries and comply with legal obligations. You may request deletion at any time.

6. Your Rights

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

• Access — request a copy of your personal data
• Rectification — correct inaccurate data
• Erasure — request deletion of your data (“right to be forgotten”)
• Portability — receive your data in a machine-readable format
• Objection — object to certain types of processing
• Withdrawal — withdraw consent at any time (where processing is based on consent)

These rights apply to users in the EU (GDPR), California (CCPA), Canada (PIPEDA), and other jurisdictions with applicable privacy laws.

7. International Data Transfers

Our servers and service providers may be located outside your country of residence. By submitting an inquiry, you consent to the transfer and processing of your data in accordance with this policy and applicable law. We ensure appropriate safeguards are in place for cross-border transfers.

8. Security

We implement industry-standard security measures including SSL encryption, rate limiting, and access controls. However, no method of transmission over the internet is 100% secure.

9. Children's Privacy

Our website is intended for business professionals and is not directed at anyone under the age of 18. We do not knowingly collect data from minors.

10. Changes to This Policy

We may update this policy periodically. Changes will be posted on this page with an updated “Last updated” date. Continued use of our website after changes constitutes acceptance of the revised policy.

11. Contact Us

For privacy-related requests or questions, please contact us at:

Xi'an Yusail Biotechnology Co., Ltd.
Xi'an, Shaanxi, China
Email: [email protected]