The steel fireproof door is a door made of steel materials. The door leaf is filled with environment-friendly flame retardant and thermal insulation materials that are harmless to human body, and the door is composed of fireproof hardware fittings. In addition, the junction of the door leaf and the door frame and the periphery of the fireproof glass are sealed with fireproof sealing treatment, which greatly increases the fire resistance of the fireproof door.

ZHTdoors branddeure, 31 jaar se produksie ondervinding in branddeure en Vensters. Die belangrikste UL-branddeure, EN-branddeure, BS EN-branddeure, ens.. Ons het sertifisering. ZHTdeure ondersteun OEM en gratis ontwerp. Ons voordele: goeie gehalte, fabrieksprys, goeie diens. Welkom om ons te raadpleeg.