Professional manufacturer of pipes, such as seamless pipe, welded pipe, helical pipes, galvanized pipe, etc. Size: from 1/2" to 72" Thickness: SCH20, SCH30, SCH40, STD, SCH80, SCH100. SCH120, SCH160. XXSMaterial: carbon steel (seam & seamless)Special design available as the requirements of customerQualification: ISO9001, API, CE,Packing: in bundle sell carbon steel fitting