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No Logo | Yantai Haiyou Metal Material Co., Ltd Yantai HaiYou Metal Material Co., Ltd. is located in the comfortable and charming harbor city—Yantai, facing Bohai bay in the north, adjoining the internationalized harbor—Qingdao in the south, and coming apart from Dalian by the sea, owning the ... We are regularly Selling: seamless steel pipe, api 5l, api spec 5l, tube, astm a106, astm a53, din1629, e355, st52. Member since 7 March, 2007, China - Shandong | | | | Yangzhou Chengde Steel Pipe Co., Ltd Our mill is a professional manufacturer focus on big diameter seamless pipe. The history of our mill can get back to 1988, established by Mr Zhang Huaide, who is the senior professor in the seamless pipe industry in China. With so many years developm... We are regularly Selling: s355j2h, e355, astmasme 106, 10crmo9-10, x10crmovnb9-1, 13crmo4-5, asmeastm 335. Member since 13 May, 2009, China - Jiangsu | | |
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