Tianjin Coupling Heat Treatment Co.LTD [China] Posted Date: August 07, 2007Free Member | Rate this company | Check Member CredibilityThis is Tianjin Coupling Heat Treatment Co.LTD, a company manufactures tubing and casing couplings. Our products range from 2-3/8 to 13-3/8 of J55,K55,L80.N80,C90,T95 and P110 steel grade. We produce short round thread casing, long round thread casing, buttress thread casing and external upset tubing. Our company has already got the API 5CT certificate and the products have been sold to many oilfields both in China and overseas, which are of high reputation.We also engage in steel pipe trade, providing various kinds of seamless steel pipes that are of top quality in China. OD range from 14mm to 820mm, wall thickness range from 2mm to 45mm. please contact our company :tcplgroup at 163 dot com or chat with me by msn: susan_83823 at 163 dot com_
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Tianjin Coupling Heat Treatment Co.LTD [China] Posted Date: August 07, 2007Free Member | Rate this company | Check Member CredibilityThis is Tianjin Coupling Heat Treatment Co.LTD, a company manufactures tubing and casing couplings. Our products range from 2-3/8 to 13-3/8 of J55,K55,L80.N80,C90,T95 and P110 steel grade. We produce short round thread casing, long round thread casing, buttress thread casing and external upset tubing. Our company has already got the API 5CT certificate and the products have been sold to many oilfields both in China and overseas, which are of high reputation.We also engage in steel pipe trade, providing various kinds of seamless steel pipes that are of top quality in China. OD range from 14mm to 820mm, wall thickness range from 2mm to 45mm. please contact our company :tcplgroup at 163 dot com or chat with me by msn: susan_83823 at 163 dot com_