Jiangsu Shiji Tianyuan Steel tube Co.,Ltd
http://www.hwsteeltube.com
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bearing,Auto bearings

Steel tube
  1. seamless alloy steel tube
  2. seamless carbon steel tube
  3. API series
  4. seamless titanium steel tube
  5. U tube
Steel tube Machine
  1. Bending Machine
  2. Chamfer angle machine
  3. Cutting Machine
  4. Rolling machine
  5. Tube end forming machine
  6. U tube machine

U tube

U tube
U tube1

Standard for U tube

ASTM A/ASME SA 179/556

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