China Zhonghai Steel Pipe Maufacturing Co,.Ltd is one of the best professional mills specializing in producing seamless steel pipe, spiral steel pipe, hot-expanded steel pipe,straight-seam steel pipe,ERW steel pipe . Seamless steel pipe,Sprial steel pipe.pipe fittingsThe brand products is the bige size including seamless steel pipe(168mm-1220mm) and the spiral steel pipe(219mm-1220mm). Our factory has the approval I American Petroleum InstituteAPI5L. they are applicable to Extraction and processing of petroleum and natural gas , pipeline transportation, machinofacture, Boilermaking,and the big construction itemFor further information,pls feel free to contact followingSkype:cnsteelpipemsn:cnsteelpipe(at)hotmail.comemail:cnsteelpipe888(at)gmail.comTel:86-757-28909727Fax:86-757-28909897Mobile:86-15919094756
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China Zhonghai Steel Pipe Maufacturing Co,.Ltd is one of the best professional mills specializing in producing seamless steel pipe, spiral steel pipe, hot-expanded steel pipe,straight-seam steel pipe,ERW steel pipe . Seamless steel pipe,Sprial steel pipe.pipe fittingsThe brand products is the bige size including seamless steel pipe(168mm-1220mm) and the spiral steel pipe(219mm-1220mm). Our factory has the approval I American Petroleum InstituteAPI5L. they are applicable to Extraction and processing of petroleum and natural gas , pipeline transportation, machinofacture, Boilermaking,and the big construction itemFor further information,pls feel free to contact followingSkype:cnsteelpipemsn:cnsteelpipe(at)hotmail.comemail:cnsteelpipe888(at)gmail.comTel:86-757-28909727Fax:86-757-28909897Mobile:86-15919094756