... used in many industries, such as petroleum, power generation, natural gas, food, pharmaceutical, chemicals, shipbuilding, papermaking, and metallurgy, and so on.TypeSeamless ... hot galvanizedPackingwooden case, pallet or as customers’ requirementApplicationsPetroleum, chemical, power, gas, metallurgy, shipbuilding, construction, nuclear, etcMin order1 pieceDelivery time7 after receipt ...