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high quantity orifice flanges black malleable iron threaded floor flanges Product nam...
Form: Socket Weld、Slip on,Blind,Lapped,Screwed,Weld Neck,Long Weld Neck,Reducing, · ...
Tianjin Zhongyantiancheng Steel Co., Ltd sales of high nickel alloy products as: Has...
Certification:GB/T 19001-2008 , ISO 9001:2008 , TS16949 EN10297-1 E235 , E275 , E315...
Standard: ASTM B163, B 622, B 167, B 829, B 444, B 983,B 729,B 407,B 423,B 165 Has...