seamless steel pipe Brand: qiluhuitong Technics: seamless Seamless Steel Pipe Description Details:ManufacturerShandong Huitong Steel Pipe Manufacturing Co.,Ltd.BrandqiluhuitongTypeManufacture & Sales OEMProductC, C-Mn and Alloy Seamless Steel PipeProcessSeamless, Cold drawn and Hot rolledMaterial20#, 10#, 45#, 35# and Q23516Mn, 27SiMn, 40Cr, 12CrMo, 15CrMo, 35CrMo and 42CrMoSizeOuter DiameterWall ...