The fireproof door core is non-toxic and harmless during production and use, and does not endanger human health, so it belongs to Class A1 incombustible material. The compressive strength of the fireproof door core is ≥ 0.4 mpa, the bending strength is ≥ 0.25 mpa, and the weight is generally between 200~350 kg, which can meet the requirements of various fireproof doors for filler materials.

ZHTdoors panto seuneu, 31 taun pangalaman produksi di panto seuneu jeung Windows. The UL lawang seuneu utama, en panto seuneu, BS en panto seuneu, jeung sajabana, .We boga certification.ZHTdoors ngarojong OEM sarta kaunggulan design.Our bébas: kualitas alus, harga pabrik, service.Welcome alus konsultasi kami.