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Technology

  • 2016.11.30-2016205817672 - a two-way erosion etching spray device
  • 2017.02.08-201620625744.7 - a developing syrup filtering device
  • 2016.11.30-2016206212111 - a plating device
  • 2017.05.24-201620623943.4-sprinkler and sprinkler unit