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  1. The first intelligent asphalt distributor in China was launched in 1998;
  2. 90% of the purchased parts are imported;
  3. Radar detects the vehicle speed and uploads an absolute speed signal every 1cm;
  4. The encoder detects the pump speed and uploads a pump speed signal every less than 1 degree;
  5. Optical fiber signal transmission is adopted in front and back stations;
  6. French technology, fully automatic control, spraying accuracy ± 1%;