... delivery,oil transportation 2supply abiltiy:5000 tons per month hot dip galvanized steel pipeReference standardASTM, JIS, EN,APImaterialapi 5LgradeBapplicationFor oil ... technologyhot rolling, cold drawing, etc.certificationASTM,APIpackage1.wooden case, container or other package you appointed2. Bundle, with oil strapping, ... production process 3.package 4.stock 5.useage hot dip galvanized steel pipe