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 milango ya moto, miaka 31 ya uzoefu wa uzalishaji katika milango ya moto na Windows. Milango kuu ya moto ya UL, milango ya moto ya EN, milango ya moto ya BS EN, nk., Tuna certification.ZHTdoors msaada OEM na bure design.Our faida: ubora mzuri, bei ya kiwanda, huduma nzuri.Karibu kushauriana nasi.