润恒门窗 · Product Center

Every door and window stands the test of time

🏭 Factory Direct 📐 Custom-Made ✅ Certified 🌐 Global Delivery

Runheng product center — OEM aluminum windows, doors, curtain walls and louvers from our Guangdong factory. Residential series: thermal break casement windows, sliding windows, folding doors, smart lift windows, sunrooms. Commercial series: curtain wall, fire-rated doors, batch customization. 136 product configurations, worldwide shipping.

Frequently asked questions

What is the MOQ for engineering products?

MOQ is confirmed per project and order quantity; sample and batch orders can both be discussed.

What is the lead time?

Sample and batch lead times are confirmed after drawing, tooling and production scheduling review; quotations are returned within 24 hours.

Do you support OEM/ODM and custom drawings?

Yes. We support custom drawings, tooling, samples and OEM/ODM production, with English shop drawings and inspection records.

Can I get drawings and specifications?

This product has no fixed drawing set; drawings and blade/panel layout are developed per project.

Can you provide performance data?

Wind load, water/air tightness, U-value and other performance data are provided per project and system with verified test/calculation documents; we do not publish unverified figures.

How are packing, shipping and warranty handled?

Packing and shipping are planned per destination; warranty terms are confirmed in the contract by product system.

Product Details

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