| Profile | 6063-T6 aluminum alloy profile, wall thickness up to 2.5 mm |
| Surface | AkzoNobel powder coating, AAMA 2604 / 2605 available |
| Glass | Double Low-E glazing with argon gas; warm-edge spacer available |
| Hardware | German SIEGENIA / ROTO lift-and-slide hardware; HOPPE handle optional |
| Sealing | 6 automotive-grade EPDM sealing strips for better air and water tightness |
| Middle Stile | 38 mm slim interlock with four-point sealing design |
| Drainage | Concealed drainage for a cleaner look and better water management |
| Application | Balcony, terrace, patio, sunroom, villa and project use |
| Customization | Color, glass, hardware, opening direction, panel layout and threshold can be customized |
HUASIN is a China-based manufacturer of high-performance window and door systems. Founded in 1993 and headquartered in Harbin, HUASIN operates two major window and door production bases in Harbin and Wuhu, with a total manufacturing area of 288,000 m², an annual capacity of up to 500,000 m², and more than 500 employees. Our Hangzhou office serves as an international business office and sample showroom for overseas customer communication, product presentation, and project coordination. HUASIN specializes in aluminum clad wood windows, thermal break aluminum windows, passive-house-related high-insulation systems, lift & slide doors, sunrooms, curtain wall solutions, and customized project solutions. Built on cold-climate manufacturing expertise, we focus on all-season comfort through insulation, weather resistance, sealing performance, structural stability, and long-term durability. With over 500 engineering projects completed in China and overseas markets, and export experience in North America and the Middle East, HUASIN provides reliable, energy-efficient, and durable window and door solutions for builders, contractors, developers, distributors, and project customers worldwide.