The thickness of steel fire door leaf is divided into three standards, namely, Party A, Party B and Party C, with excellent sound insulation and heat insulation performance. Steel fire door hinges, locks, door closers and other vulnerable parts are of high quality, light and durable.

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.