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Ma'adinai ciki da waje Coated Spiral karfe bututu
Ma'adinai rufe sarrafa karfe bututu ne sanya na yau da kullun karfe bututu ta hanyar aiki, a cikin karfe bututu, waje surface da rufe wani musamman ts
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Ma'adinai rufe sarrafa karfe bututun ne sanya al'ada karfe bututun ta hanyar tsari magani, a karfe bututun a cikin, waje surface ta hanyar rufe wani musamman da aka yi polyethylene kayan da kuma sanya da surface da anti-static, wuta retardant kaddarorin karfe filastik hadaddun bututun. Za a iya jigilar kowane gas, ciki har da gas, gas, biogas, gas, da dai sauransu, shi ne mai amfani da bututu.
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