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Products&Technology
Steel Fire Door
Key words：
Steel Fire Door
Product Details
New Yonking steel fire door, because of its solid structure and simple shape, is widely used in public fire areas of various buildings.
The door frame is made of high-quality galvanized steel strip and roll-formed at one time by a special production line, inlaid with fireproof expansion strips, optional fireproof sealing strips, closed without impact sound, beams and mullions are spliced by 90° angle welding, and large-size door frames can be placed by screws assembled.
The door leaf is made of high-quality galvanized steel sheet that is accurately bent by a bending machine, and the interior is filled with green perlite board, which is fireproof, heat-insulated, and sound-insulated.
Careful selection of materials: cold-rolled galvanized steel sheets produced by large factories are selected, with high strength and good flatness
excellent equipment: upper punch SPS CNC shearing machine, bending machine, punch press in Yangzhou Forging Factory
Surface treatment: using a large spraying line, using electrostatic powder spray, the coating is firm, corrosion-resistant and weather-resistant
Hardware assembly: Various brand hardware can be selected to meet the functional use of different buildings
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