Zhengji Windows & Doors

What we offer

• One-stop custom processing: mold making, extrusion, surface finishing, CNC machining, welding/assembly, QC.
• Seamless welding: cleaner appearance and consistent joints for premium projects.
• Customization support: free sampling support, MOQ 500 kg, custom packaging options.

Typical custom flow

1. CAD drawing submission
2. Drawing analysis & confirmation
3. Mold manufacturing
4. Sample production
5. Sample testing & approval
6. Mass production
7. Packing & shipping
8. After-sales support

Quick links for buyers

• Procurement checklist (RFQ) – What to send for a faster quote.
• Window types & selection guide – Choose the right type by scenario.
• Product catalog – Browse our main window & door categories.
• Custom windows & doors – One-stop OEM customization and sampling.
• For professionals – Procurement support for distributors, contractors and project buyers.
• Energy-efficient solutions – Options focused on thermal performance and comfort.
• Hurricane solutions – Project-oriented configurations for high-wind regions.
• Certificates – Documentation and compliance references.
• FAQs – Common questions about specs, lead time, and ordering.
• About Zhengji – Factory overview, production capability and QC.

Selected case studies

• Oak Ridge – New Residential Development
• Minneapolis – Suburban Townhouse Development

Note: Case links are provided as project references to help buyers understand typical configurations and application scenarios.

Contact

• Email: ward@zhengjiwindows.com
• Phone: +86 13360305410
• Website: zhengjiwindows.com