Profile: Threeway Steel Co., Ltd specializes in offering steel products. Our products include galvanized steel pipes, scaffolding tubes, right angle couplers, spiral submerged-arc welded piling pipes, and rectangular tubes. Galvanized steel pipe is used for low pressure liquid delivery. Scaffolding tubes are frequently used where heavy loads are to be carried. Scaffolding is a temporary structure used in construction or repair of buildings & other large structures. Our right angle couplers are used in construction, railways, chemical, metallurgy, and mining industries. We also offer swivel couplers, steel piles, sleeve couplers, and inner joint pins.