ASME misali simintin karfe ƙofar bawul yawanci wuya hatimi ƙofar bawul, da kayan za a iya amfani da WCB, CF8, CF8M, high zafin jiki, high matsa lamba da kuma lalata juriya, mu simintin karfe ƙofar bawul a cikin layi tare da gida da kuma kasashen waje nagartacce, abin dogara sealing, kyau kwarai yi. , sauyawa mai sauƙi, don saduwa da bukatun ayyuka daban-daban da bukatun abokin ciniki.