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Privacy policy

Last updated: 2026-11-08.

This website is operated by YANENGDA. This policy explains what information we receive when you contact us through this website and how we use it.

Information you send us: when you complete the inquiry form, the details you enter (such as your name, company, email, market, product interest and message) are placed into a WhatsApp message on your own device. Nothing is sent to us until you press send in WhatsApp. If you email us, we receive the content of your email.

How we use it: only to reply to your inquiry, prepare quotations you ask for, and manage the resulting business relationship. We do not sell your information.

Service providers: this website is hosted on Cloudflare, which processes technical request data (such as IP address and browser type) to deliver and protect the site. WhatsApp is operated by WhatsApp LLC / Meta under its own privacy policy.

Cookies: this website does not use advertising or analytics cookies.

Retention: we keep inquiry correspondence for as long as needed for the business relationship and our legal obligations, then delete it.

Your rights: you can ask us to access, correct or delete the information you have sent us by contacting WhatsApp +8613924721998.