Privacy policy
How Windows Door Factory handles the information you send us. Last updated November 3, 2026.
Who we are
This website is operated by Shanghai Lumi Windows Co., Ltd. (trading as Windows Door Factory), Shanghai, China. Contact: inquiry@windows-door-factory.com.
What we collect
When you send an inquiry we receive the details you enter — name, email, company, phone or WhatsApp number, country, role, product interest, project details and any files you attach — plus the page you sent it from. We do not use advertising trackers or analytics cookies on this website.
Why we use it
We use inquiry details only to reply to you, prepare quotations and fulfil orders you place with us. Our legal basis is your request and our legitimate interest in answering business inquiries.
Sharing
We do not sell your data. Inquiries are stored with our hosting provider and delivered through our email providers acting on our behalf.
Retention and your rights
We keep inquiry correspondence for as long as needed to serve you and meet legal obligations. You can ask us to access, correct or delete your information by writing to inquiry@windows-door-factory.com.