Hebei zewo steel pipe manufacturing CO.,LTD. is a professional Company. Cangzhou Litong steel pipe CO.,LTD is our branch company,Our main products series include seamless steel pipe,welded pipe(ERW and SAW),elbow,flange and other pipe fittings.
we have passed API 5CT , API 5L and ISO9001 certifications.we can produce pipe and fittings according to ASTM,DIN,JIS,EN,GB and GOST,With 15 years'experience and advanced production facility, strong technical ability and professional production capability, we're sure that we can supply customers with the high quality and best design. 
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