The size and sound insulation performance of fire doors can be selected according to the requirements of sound insulation level, installation space and fire rating. The steel fire door has the advantages of reasonable structure, good integrity, high strength, convenient construction, smooth and beautiful surface, flexible opening, solid and durable.

fireproof door description,孟買的防火門製造商，fireproof front door,international fireproof door,

防火門廠家,家用防火門,防火門,防火門,fireproof door description,防火門標準，fireproof front door,出口門寬度係數，防火門鎖，international fireproof door,

防火，門漆，international fireproof door,馬來西亞防火門，金屬門