... foodstuff, papermaking, chemical, medical equipment, boiler heat, exchanger, gas metallurgy, etc.Surface Hot galvanized, Cold galvanized, Painted black ... oil or black painting anti-corrosion2.Application:Natural gas, petroleum, chemical industry, electric power, metallurgy ... 5CT9.Delivery Term:FOB (30% downpayment in advance, the balance before shipment)CIF (30% in advance, the balance against ...