The main products, anti-theft doors, cast aluminum doors, and copper doors are filled with new thermal insulation and environmentally friendly materials, which are suitable for the severe cold areas in the northeast, and can be cold-proof, warm and soundproof. The door panel is made of zinc alloy sheet, which is environmentally friendly, rot-resistant and durable. The paint surface adopts automatic spraying assembly line equipment to make each door bright, uniform and durable.  Fire doors and fire windows are mainly filled with composite fire door core materials, and the door frames of the facade are made of galvanized sheets, which are environmentally friendly, non-embroidery, and anti-rot. In January 2019, the company obtained national certifications such as Class A, B, and C fire doors, Class A and B fire entry doors, Class B fire armored entry doors, Class B fire windows, etc., so that every door that leaves the factory meets national standards. One card for each door.