American standard fireproof door, WH certificate based on UL standard; British standard fire door, WH (UK) certificate based on BS476 standard. Our American standard fireproof door has 20-180 minute certificate. British standard fire doors have 30 to 120 minute certificates. Fire doors can be made of steel, wood, stainless steel, etc. Welcome to consult us.

ZHTdoors lawang geni, 31 taun pengalaman produksi ing lawang geni lan Windows. Lawang geni UL utama, lawang geni EN, lawang geni BS EN, lan liya-liyane, Kita duwe sertifikasi.ZHTdoors ndhukung OEM lan desain gratis.Kauntungan kita: kualitas apik, rega pabrik, layanan apik. Sugeng rawuh kanggo konsultasi karo kita.