... Gold Mysterious Pipe Co.,LtdBrandJinaoTypeManufacture & Sales OEMProcessSeamless, Cold drawn and Hot rolled, finish-rolledMaterial20#, 10#, 45#, 35# , Q345, 16Mn ... to 14mm,Length:5-8mtechnology cold drawn and finish rolling.Standards ASTM,DIN,GB,JIS.mainly used agricultural ... equipment, such as two punching lines, thirteen fine rolling production lines and ten cold drawing production lines. Our ...