Ana rarraba ƙofofin wuta zuwa Grade A, Grade B da Grade C bisa ga juriyar wutar su. Lokacin juriyar wuta na Class A Ƙofar wuta ba za ta kasance ƙasa da sa’o’i 1.5 ba, na Ƙofar wuta ta Class B ba za ta kasance ƙasa da sa’a 1 ba, kuma na Ƙofar wuta ta Class C ba za ta kasance kasa da sa’o’i 0.6 ba. Wurare daban-daban za a sanye su da kofofin wuta na matakan da suka dace don amfani.

ZHTdoors kofofin wuta, shekaru 31 na ƙwarewar samarwa a cikin kofofin wuta da Windows. Babban UL wuta kofofin, EN wuta kofofin, BS EN wuta kofofin, da dai sauransu,.Muna da certification.ZHTdoors goyon bayan OEM da free design.Our abũbuwan amfãni: kyau quality, factory farashin, mai kyau service.Barka da tuntubar mu.