The steel fireproof door is also a green environmental protection product in terms of recyclable materials. Many people should have never thought of it. In addition, it has excellent thermal insulation. The design of the fire door is also ingenious, using the rail sliding groove design, which has a strong role in waterproof and sound insulation.

ZHTdoors branndører, 31 års produksjonserfaring innen branndører og Vinduer. De viktigste UL branndørene, EN branndører, BS EN branndører, etc.,.Vi har sertifisering.ZHTdører støtter OEM og gratis design.Våre fordeler:god kvalitet, fabrikkpris, god service.Velkommen til å konsultere oss.