Privacy policy

Who we are

This website is operated by Shanghai Mars Industrial Co., Ltd. ("we", "us"), trading as China Screw Factory, Shanghai, China. Contact: [email protected].

What we collect

When you send an inquiry we collect the details you enter: name, email, company, country, phone or WhatsApp number, product interest, quantity and message, together with the page you sent it from, the time, your IP address and browser type. We do not use advertising or analytics cookies. Your inquiry list is stored only in your own browser (local storage) until you send it.

Why we use it

To answer your inquiry, prepare quotations and samples, and follow up on the request you made. Our legal basis is your consent and our legitimate interest in responding to business inquiries. We do not sell your data or use it for unrelated marketing.

Where it is stored

Inquiries are stored in a database hosted by Cloudflare, Inc., which may process data outside your country under appropriate safeguards. Access is limited to our sales staff through a password-protected system.

How long we keep it

We keep inquiry records for up to three years after our last contact, or longer if a business relationship follows and records are required for accounting or legal reasons.

Your rights

You can ask to access, correct or delete your data, or withdraw consent, by emailing [email protected]. You may also complain to your local data protection authority.

Security

The site is served over HTTPS only, the inquiry system uses signed, HTTP-only session cookies and rate limiting, and staff passwords are never stored in the browser.

Changes

We will post any changes on this page with a new date.