Our company specializes in customer-oriented design and production of highly personalized windows and doors products, providing solutions to various personalized, functional products, because we believe that personalization is the development trend of today's building materials which is highly demanding in terms of design and products. The energy saving door is a new product with excellent sealing performance, which has completely solved the problems of wind sealing of the building entrance. Wind pressure, air tightness, water tightness indicators are better than the national spring door standard. It is one of the best building products for energy saving. Door Features: 1, doors rotating side is the cylindrical side, 2.5mm minimum seal clearance, which solves the opening and closing gap that can not be avoided previously. 2, Special high-strength aluminum profiles, with specially sealed structure. 3, With a high frequency TIG aluminum welding, and high-strength rod fixed angle code to connect, making the structure more solid with non-deformation characteristics. 4 The lower end of the rotating cylindrical edge is embedded with dedicated wind seals, sealed completely. 5, There is no gap between the rotating side and the side frames, without the danger of anti-trap hand. The sealing is designed with special materials, completely solving the problem of temperature sealing. 6, The appearance is new, beautiful, with outstanding features. 7, Models & Series: Series 45, 50; 50 Series single door max production size: 1200 (W) × 3800 (H), wall thickness: 3mm. 8, The surface color diversity overcomes the shortcomings in many office buildings and plazas. So our products avoid the routine and vegetative stainless steel door or the color inconsistency with the curtain walls, doors and windows.