steel pipe, pipe fittings, elbows,reducers,tees,flanges,steel pipe,seamless steel pipe steel pipeHEBEI GEE PIPE MILL Co., Ltd is a professional manufacturer of ERW and SSAW steel pipe with 950million total asset, 10 production lines, 900000tons annual capacity. Constrution pipe(spiral submerged arc welded steel pipe). Construction steel pipe(spiral submerged arc welded steel pipe).Outside ...