... 4.PaymentTerm:T/T Packaging Detail:1) Big OD: in bulk 2) Small OD: hexagonal packing, packed by steel ... also produce other specifications according to customers' requirements5) Applications range: for use in the petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment ... , boiler heat exchanger, and other fields. We specializes in all kides of steel pipes and steel sheets .your any ...