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Tianyang is an experienced seamless steel tube manufacturer in China. We provide a wide range of products, including cold drawn & cold rolled seamless steel tube, hydraulic cylinder honing tube, seamless stainless steel tube, and more.

Main Products
  • DIN/EN Black and Phosphated Hydraulic Tube with High PrecisionAs an ideal machinery tube, it offers a tough and durable high gloss finish, coming with these features of high precision surface, no leak under high pressure. Also, thanks to these characteristics of a beautiful surface and good anti corrosive property, it can be used as hydraulic system steel tube. Additionally, this tube is covered with a black phosphate coating which can absorb anti rust oil to achieve the goal of anti rust property...
  • DIN/EN Cold Drawn & Cold Rolled Internal and External Galvanized Steel Tube with High PrecisionThe inner or outer wall of tube is covered with pure zinc, colored zinc or passivated with military green after galvanizing. And two anti dust caps will be used to cover two ends to prevent from the dust. This precision steel tube is less than 3 meters in length. Moreover, the product passivated with military green demonstrates excellent anti-corrosion property and shows no sign of rusting after 240 hours of neutral salt ...