Mante anti-theft door Longteng fire door type

1. Steel door frames, door leaf frames and door leaf panels for steel fire doors. If the door leaf is filled with materials, it will fill a fire barrier that is non-toxic and harmless to the human body.

A fire-resistant door composed of hot materials and fire-resistant hardware fittings.

2. Steel-wood fire doors doorframes, doorframes and door panels made of steel and flame-retardant wood materials or flame-retardant wood products.

3. Wood fire doors use flame-retardant wood or flame-retardant wood products as door frames, door leaf frames and door leaf panels.

4. Fire doors made of other materials are made of inorganic incombustible materials except steel, flame retardant wood or flame retardant wood products, or some of them are made of steel, flame retardant wood or flame retardant wood.

If the door frame, door frame and door panel of the product are filled with fireproof and heat insulation materials harmless to human body, and

A fire-resistant door composed of fire-resistant hardware fittings.

Fire doors made of other materials are made of inorganic incombustible materials except steel, flame retardant wood or flame retardant wood products, or partially made of steel, flame retardant wood and flame retardant wood.

If the door frame, door frame and door panel of the product are filled with fireproof and heat insulation materials harmless to human body, and

A fire-resistant door composed of fire-resistant hardware fittings.