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hebei changfeng steel tube manufacturing group co., ltd

 steelpipesgaspipeconstructionpipeerwpipecarbonsteel pipehfwpipe

cfst,invested as a specialized manufacturer of erw/hfw high fre welded steel pipes/tubes, was developed on the basis ofhebei changfeng machinery manufacturing co., ltd and hebeichangzhou steel structural engineering co., ltd. till 2011, cfsthas been the biggest and leading manufacturer of high fre/hfw steel tubes from 8" to 26"(219mm-660mm) and is one of the 3chinese manufacturers that can produce hfw/erw steel tubes from 20"to 26"(508mm-660mm).
cfst, as a leader in erw steel tube industry, has been certified byiso9001-2008, api 5l and api 5ct and our brand "changfeng" islisted as national famous brand. we can supply u pipes withstandards:api 5l gr.b/astm a53,api 5l a36/b36,api 5l a106,astm a252gr.3.x42,x52,x65.sj275/sj355,c250,c350,s275,st52,s290,gost09gf,gost 10704-91.
we always welcome business contact, communication and cooperationfrom companies all over the world and we are always willing to be apart in globalization with our outstandingproducts&services.