Quality Control

Incoming Quality Control+In-Process Quality Control+Final Quality Control+Out-going Quality Control

100% aging test and 37 reliability test, top quality guaranteed.

Failure rate strictly controlled less than 0.5%.


  • Key life test
  • High and low temperature test
  • Noise test
  • Salt water test
  • Insertion and withdrawal test
  • Voltager/Charger test
  • Battery resistance test
  • Battery capacity test
  • IP Classification test
  • Chemical test
  • Simulated transport vibration test
  • Bristle top test
  • Lifetime test
  • Alcohol abrasion test
  • Bending test
  • Toothbrush leak test
  • Vacuum leak test
  • Oscilation speed test

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