Henan Jutai Door Industry (steel wood fire door, wooden fire door, steel fire door, fire shutter door) is a fire partition of fireproof partition fire door of industrial and trade enterprise fire door integrating R&D, production, sales and service. The fire compartment should be determined based on the type of building and the nature of the use. The requirements for different areas of industrial buildings and warehouses, civil buildings and underground building fire zones shall be determined according to the actual use properties of the buildings. For example, a type of high-rise civil building has a fire compartment of 1000 m2, a second type of building of 1,500 m2, an underground building of 500 m2, and an ordinary building of 1-2 grades of 2,500 m2. Industrial buildings are classified according to production categories and storage items. There are provisions in the "construction regulations", because some buildings must have fire door fire doors, wooden fire doors, steel fire doors, fire shutter doors, Henan Jutai Building Materials Sales Co., Ltd.**: http://
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