| http://www.w3.org/ns/prov#value | - zhangjiagang free trade zone YIRUNZHE international trade co.,LTD China(CN) our company mainly engaged in product have forging flanges ,carbon steel ,valves,pipe fittings ,stainless pipe etc.Main materials are stainless steel ,carbon steel ,Alloy ,Duplex and so on .Standards include: American standard ,Germany standard,Europ ...
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