... .BrandqiluhuitongTypeManufacture & Sales OEMProductC, C-Mn and Alloy Seamless Steel PipeProcessSeamless, Cold drawn and Hot rolledMaterial20#, 10#, 45#, 35# and Q23516Mn, 27SiMn, 40Cr, 12CrMo, 15CrMo ... : +86-635-8880996Other RequirementsPacking, Delivery ect.according to Customers requirements and StandardsAddressLiaocheng Economic Development Area, Shandong Province, China seamless steel pipe