UL Fireproof Door Whitestone

Fire door refers to the door that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke, prevent the spread of fire within a certain period of time, and ensure the evacuation of people.

ZHTdoors 防火扉、防火扉および Windows での 31 年の生産経験。 主な UL 防火扉、EN 防火扉、BS EN 防火扉など。私たちは認定を受けています。ZHTdoors は OEM と無料のデザインをサポートしています。私たちの利点: 良質、工場価格、優れたサービス。

UL Fireproof Door Whitestone-ZTFIRE Door- Fire Door,Fireproof Door,Fire rated Door,Fire Resistant Door,Steel Door,Metal Door,Exit Door