Fire designated manufacturers, fully qualified welcome to consult the discussion. Mobile: 13555714112 qq: 379713674 excellent quality and reasonable price?? Shenyang Northeast Metal Products Co., designated by the State Ministry of Public Security Fire Bureau approved the production, is a professional fire doors, fire doors, fire shutter doors manufacturer. Main production "fire doors, fire windows, wooden fire doors, steel fire doors, glass fire doors, fire shutter doors, fireproof roller shutter doors, steel fire shutter doors, tube wells doors, security doors, fire security doors, garage doors" are with fire permits, using the latest standards in 2009 production, quality assurance, welcome to consult the discussion! ?? Shenyang Northeast Metal Products Co., Ltd. introduced advanced production equipment, focusing on every aspect of the production process and strict quality standard according to national standards, substandard products not manufactured, in the fierce market competition, winning by quality, increased credibility among customers. Wilson Fire Door Manufacturing Co., Ltd. Sales Network: Liaoning, Jilin, Heilongjiang, Inner Mongolia and other cities professional supply fire door manufacturers. Fire doors are able to meet the fire resistance stability and integrity. Resistance and insulation resistance requirements of the door. Fire doors in addition to a general role of the door, but also has to prevent the spread of fire and smoke spread effect can be within a certain time to prevent the fire from spreading to ensure evacuation. The event of fire, fire safety doors is to protect people's lives and property safety of a protective door. This is also one of the fire doors the door of life compared to the real reason. Fire doors mainly used in hotels, guesthouses, upscale offices, schools, hospitals, large commercial buildings and office space. Fire doors Product description? Doorframe: imported or domestic high-quality cold-rolled steel, galvanized steel, steel plate thickness 1.2 mm, with 4-6 bolt mounting holes. ? Doors: imported or domestic high-quality cold-rolled steel, galvanized steel, steel plate thickness 0.8 mm, filled with perlite board dedicated fire. ? Finishes: electrostatic spray treatment, can choose different colors according to the color card, or imitation wood surface. ? Hardware: matching stainless steel fire lock (or tubewell lock), galvanized steel (or stainless steel) fire hinges, door closers, cis-bit device, all metal parts melting temperature not lower than 950 ℃. The main performance parameters:? Fire resistance: Class 90 minutes, 60 minutes B and C for 30 minutes.