... API Certification:API/BV/ISO9000 Our company is one professional manufacturer specializing in steel pipe and pipe fittings. Typesteel pipeSize3/ ... .X70 PackagingPainting black, cap, In bundle.Applications range petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat, exchanger, ... are made under the ISO9001:2000 strictly. Carbon A106Gr.B Seamless Steel Pipe