Doors for buildings and construction, security steel doors, fire doors, fire security doors, steel rollers shutters, inner doors, garage doors, etc. Security doors The door adopts quality cold-rolled steel plate with PVC film coating or with electro-statically sprayed powder coating has attractive appearance, strong decorative effect. It can meet various demands for main doors of different buildings in different styles. The infill of the door is polyurethane foaming materials, which have the performance of heat insulation, sound insulation and warmth preservation. The door fixes the frame by clenches in four directions and is lined with steel reinforced bar. It adopts special double omni bearing antitheft locks. All these enable our security doors have higher strength, more prominent performance of security and corrosion-proof than ordinary doors. Inner door Features 1. Laminated by wooden rail and qualified importing PVC steel plate 2. Filled with high-intensified polyurethane or honey comb. 3. It takes appearance of natural wood grain. 4. Contains no formaldehyde and toluene, it is in conformity to the requirements of environment protection. 5. With the performance of humidity-proof, heat-resistant, crack-resistant and strong and non-deformable. 6. Individualized design, the users can free to choose door design, color, lock and frame.