NORTECHis daya daga cikin manyan ƙofa na Manual na China simintin ƙarfe Manufacturer & Supplier.
Bawul ɗin ƙofar kuma ana kiransa bawul ɗin faranti.Daidaitawar juna na iya hana kwararar matsakaici, kuma ta dogara da ƙirar saman, bazara ko siffar ƙofa don haɓaka tasirin rufewa.Babban aikin bututun shine yankewa.Yana da sauƙi don buɗewa da rufewa, kuma amfanin shine: ƙananan juriya na ruwa.Ana iya amfani da shi a cikin yanayin tafiyar matakai biyu na matsakaici.Babu shugabanci.Wurin rufewa ba shi da sauƙi a ruɗewa lokacin buɗewa gabaɗaya.Tsawon tsari gajere ne.Ba wai kawai ya dace da ƙananan bawuloli ba, amma kuma ya dace da manyan bawuloli..Daya shine nau'in sandan da aka fallasa, kuma bawul ɗin ƙofar ya kasu kashi biyu bisa ga zaren tushe.Na biyu shine nau'in sanda mai duhu.Dangane da tsarin ragon, shi ma ya kasu kashi biyu, daya a layi daya, daya kuma yanayin.
Ƙofar bawul ɗin da hannu
Jiki a cikin simintin ƙarfe, ductile baƙin ƙarfe, tagulla, tagulla da bakin karfe hatimin zobe
don maganin ruwa, shuka sukari, ruwan sha
Saukewa: PN6-10-16
OS&Y Tashi mai tushe DN50-DN1200
Tushen da ba ya tashi DN50-DN1800
DIN3352 F4/F5,EN1074-2/BS5163/AWWA C500