Shanghai TianYang Steel Tube Co.,Ltd is specialized in supplying different kinds of tubes like DIN Cold Drawing and BA Seamless Tube with High Precision,DIN Black and Phosphated Hydraulic Tube with High Precision, DIN Galvanized Steel Tube with High Precision, DIN Internally and Externally Galvanized Steel Tube with High Precision, DIN Cold Rolled and BA Seamless Steel Tube with High Precision, DIN Cold Rolled and Galvanized Steel Tube with High Precision, DIN Cold Rolled and Internally, Externally Galvanized Steel Tube with High Precision ,Seamless Stainless Steel Tubes, Shaped Steel tubes, Double Wall Weld Steel Tubes, bundy tube, honed tube etc