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  1. 1、  A good roller is how to make the electric heating tube
  2. Electric heating element is composed of a metal tube, spiral resistance wire and good thermal conductivity, good insulation of the crystallization of
  3. 2、  What about the embossing roller.
  4. Embossing roller is a roller type products in the. Its production requires a lot of machining process, and the need to use the etching technology, san
  5. 3、  How to use the roller better?
  6. With the rapid development of the domestic industry, the roller industry has become a widely used and well known industry from the past. The following
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花辊及压花设备