الوصف

The market appearance of steel doors and security doors are very similar, in terms of security performance, the standard security door steel plate thick, impact resistance, the implementation of the national mandatory standards; and steel doors are implemented by each enterprise's own corporate standards, steel doors are widely used in the interior and exterior of various buildings. Steel doors for outdoor use are normally used for a variety of purposes, requiring galvanized steel sheets, each reinforcement using oxygen shielded welding to weld the reinforcement, the addition of a waterproof threshold (or bottom seal), anti-theft pins, UV-resistant high-quality coating to adapt to the harsh outdoor working environment of sun and rain.