13Cr石油套管(guan),油管(guan),油管(guan)短接(jie),接(jie)箍,特殊(shu)扣(kou)(kou),氣密封扣(kou)(kou)
生產加工
13Cr石油(you)套管(guan),油(you)管(guan),油(you)管(guan)短接,接箍,特(te)殊扣(kou),氣密(mi)封扣(kou)
生產加工
六角空(kong)(kong)(kong)心(xin)鋼(gang),六棱空(kong)(kong)(kong)心(xin)鋼(gang),空(kong)(kong)(kong)心(xin)六角鋼(gang),中空(kong)(kong)(kong)六角鋼(gang)
生產加工
六(liu)(liu)角空(kong)心鋼,六(liu)(liu)棱空(kong)心鋼,空(kong)心六(liu)(liu)角鋼,中空(kong)六(liu)(liu)角鋼
生產加工
六(liu)(liu)角空(kong)心鋼(gang),六(liu)(liu)棱空(kong)心鋼(gang),空(kong)心六(liu)(liu)角鋼(gang),中空(kong)六(liu)(liu)角鋼(gang)
生產加工
六(liu)角空(kong)心鋼(gang),六(liu)棱空(kong)心鋼(gang),空(kong)心六(liu)角鋼(gang),中空(kong)六(liu)角鋼(gang)
生產加工
六(liu)(liu)角空(kong)心(xin)(xin)鋼,六(liu)(liu)棱空(kong)心(xin)(xin)鋼,空(kong)心(xin)(xin)六(liu)(liu)角鋼,中(zhong)空(kong)六(liu)(liu)角鋼
生產加工
13Cr石油(you)套(tao)管(guan)(guan),油(you)管(guan)(guan),油(you)管(guan)(guan)短接(jie),接(jie)箍,特(te)殊(shu)扣,氣密封扣
生產加工