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  1. On the basis of the original synchronous macadam sealing function, the fiber spreading function is added;
  2. The fiber is spread between the upper and lower layers of asphalt;
  3. Imported blade has good fiber shearing effect ;
  4. Configuration of 32 sets of tool holder and blowing function;
  5. The proportional valve can accurately control the amount of material spraying / spreading;
  6. Automatic asphalt combination valve makes it possible to control and operate the equipment automatically.