... , France, Turkey, USA, Canada, Taiwan, Korea, Vietnam, India , Pakistan, Iran, and so on. Steel pipematerialGB10#,20#,45 ... thickness0.3-75mmProduction technologyHot rolledCold rolledSurface treatmentCopper coatedGalvanizedothersortingStructural pipe, fluid pipe, boiler pipe, oil pipe, gas pipe, API ... Number of Employees:51 - 100 People Structural pipe, fluid pipe, boiler pipe, oil pipe, gas pipe, API ...