---
title: "Privacy Policy"
description: "How Waste Water Equipment Factory (Shanghai Mars Industrial Co., Ltd.) collects, uses and protects personal data submitted through this website."
url: https://www.waste-water-equipment-factory.com/privacy/
updated: 2026-11-10
---

# Privacy Policy

Last updated: 10 November 2026

This policy explains how Shanghai Mars Industrial Co., Ltd. ("Waste Water Equipment Factory", "we") handles personal data collected through [www.waste-water-equipment-factory.com](https://www.waste-water-equipment-factory.com/).

## Who we are

Shanghai Mars Industrial Co., Ltd., Shanghai, China. Contact: inquiry@waste-water-equipment-factory.com.

## What we collect

- **Inquiry data** you submit in our forms: name, email, company, country, phone or WhatsApp number, capacity, the products you selected and your message.
- **Technical data** needed to deliver and protect the site: IP address (stored only as a one-way hash for abuse prevention), browser user agent and the page from which you submitted the form.
- **Inquiry list:** products you add to your inquiry list are stored only in your own browser (localStorage) until you submit or clear them.

We do not use advertising cookies, tracking pixels or third-party analytics on this website.

## Why we use it

- To answer your inquiry and prepare quotations (steps prior to entering into a contract at your request).
- To prevent spam and abuse of our forms (legitimate interest).
- To keep records of business correspondence (legal obligation and legitimate interest).

## Storage and retention

Inquiries are stored in a database hosted by Cloudflare and forwarded to our sales mailbox. We keep inquiry records for up to 3 years after our last contact, unless a longer period is required by law or you become a customer.

## Sharing

We do not sell personal data. We share it only with service providers that host this website and our email (Cloudflare and our email provider), and with logistics partners when you place an order.

## Your rights

You may request access to, correction of or deletion of your personal data, or object to its processing, by emailing inquiry@waste-water-equipment-factory.com. You may also lodge a complaint with your local data protection authority.

## International transfers

We are located in China and our hosting providers operate worldwide. By submitting an inquiry you understand that your data will be processed outside your country, protected by the safeguards described above.

## Changes

We may update this policy. The date at the top shows the latest revision.