Dual-layer protection; the exterior aluminum offers weather, corrosion, and UV resistance, while the interior solid wood provides a warm, elegant aesthetic and dimensional stability across all seasons.
Features a high-load-bearing, concealed pivot system capable of supporting over 300kg, ensuring smooth, stable operation without sagging.
Incorporates a thermal break structure and multiple EPDM sealing gaskets, delivering superior airtightness, watertightness, sound insulation, and thermal efficiency.
Equipped with a heavy-duty multi-point locking system that balances modern aesthetics with high-level residential security requirements.
Backed by a 5-year warranty; offers CAD detailing based on architectural drawings and bespoke customization for large-format, non-standard specifications.
Dalian Oppgate is a professional manufacturer and global supplier of architectural glass, aluminum windows, and doors with over 20 years of industry experience.
Our core products include aluminum windows and doors - sliding, casement, folding, and custom sunrooms. All products are manufactured in-house, combining precision glass processing with high-performance aluminum fabrication.
We export to 40+ countries across the Middle East, Southeast Asia, Europe, the Americas, and Africa, shipping through Dalian, Qingdao, and Tianjin ports for reliable global delivery.
Strict quality control from raw materials to finished products ensures consistent performance in energy efficiency, thermal insulation, sound reduction, waterproofing, and wind resistance.
Your trusted partner for premium glass, aluminum windows, and architectural solutions - competitive pricing, professional support, worldwide.
Please provide your design or logo in any kinds of formats like ,AI,PDF so on for us by email.
Please provide us the Qty, Size, Color, Package, Material of your customized items . Then we will depend on your requirement to quote. We also can depend on your artwork to make design sketch for you to reference.
(1) If you need our existing samples, we can provide it for free, But pls pay the express charge by yourself. (2). If you need make your own design, Please let us know. The sample time is 5-7 days
A: 100% payment if total amount below US$1000 B: 30% deposit and 70% before shipping after inspection. TT, West Union, L/C is accepted.
1). 24 hours pricing and custom design sketch design service. 2). High quality, Eco-friendly material, EN71,SGS passed. 3). Workers with years of experience on our production line. 4). Professional skill and service will be provided to you.