... Alloy Pipe,Pipe for chemical fertilizer facility ,Marine Pipe,Casing Pipe,Drill Pipe,Oil Pipe,Structure Pipe ,Pipe of Pipelines Code NO.VarietyNormal Steel GradeStandard ... include: Low/medium pressure boiler pipe, high pressure boiler pipe, alloy pipe, marine pipe, hollow sucker rod, oil cracking ... than 200,000 tons. The Strong Eagle series seamless steel tube has been awarded with the Household ...