API Spec 7-1 Oil Heavy Weight Drill Rod/Drill Pipe O. D 101.6mm AISI 4145h

China API Spec 7-1 Oil Heavy Weight Drill Rod/Drill Pipe O. D 101.6mm AISI 4145h, Find details about China Heavy Weight Drill Pipe, Heavy Weight Drill Rod from API Spec 7-1 Oil Heavy Weight Drill Rod/Drill Pipe O. D 101.6mm AISI 4145h