manufacture of composite steel pipe

Composite steel pipe stainless steel lined , which can instead of stainless steel pipe used in pipelines . The outside of the pipe is hot galvanized pipe while the inside of the pipe is high quality stainless steel pipe .This kind composite steel pipe stainless steel lined are composed of this two kind material pipes by unique technics .The quality of this new kind pipe is as good as stainless steel pipe ,while the price  is not high as theirs .

Inside pipe according to CJ/T192-2004DN15-DN250 ,outside pipe according to GB/T3091

The annual exporting capacity is close to 35,000 ton .