The Hongming doors and windows factory the (http://www.bjhongming.com) Features bright, flame retardant, color, colorful and diverse! 
 Bridge, aluminum doors and windows functions of fire prevention. Aluminum alloy metal materials, insulation articles made of PA66 + GF25 (commonly known as nylon insulation) is not burning, and temperature resistance. 
 Hongming Beijing Door and rich colors: anodized, powder coating, fluorocarbon coating surface treatment can produce different colors of aluminum, after rolling combination, so that the insulation of aluminum alloy doors and windows to produce indoor and outdoor color-color windows! 
 Beijing the Hongming doors and windows factory specializing in sun room, steel doors and windows, broken bridge aluminum windows and doors, closed balcony, steel doors and windows, package terrace, aluminum clad wood windows and doors, broken bridge aluminum doors and windows, sun room, sun room glass room design, processing, installation You are welcome to inquire!