• Dec. 2003
    RTT establishment registration
  • Jul. 2004
    Taichung Preparatory Office opened
  • Apr. 2005
    Production line 1 was completed
  • May. 2005
    Start production
  • Jun. 2005
    ISO9001:2008 certification
  • Oct. 2006
    Production line 2 was completed
  • Jan. 2007
    ISO14001:2004 certification
  • Apr. 2011
    1st award: Export Processing Zone "Excellent Enterprise in Labor Relations" Award
  • Jul. 2011
    Capital increase (total capital 200 millionNT$)
  • Feb. 2017
    RTT Employee Welfare Committee was formally established
  • Apr. 2020
    2nd award: Export Processing Zone "Excellent Enterprise in Labor Relations" Award
  • Nov. 2020
    ISO 45001:2018 certification, ISO 14064-1 greenhouse gas inventory certification
  • Apr. 2021
    3rd award: Bureau of Industrial Parks "Excellent Enterprise in Labor Relations" Award
  • Jan. 2022
    Production line 3 was completed
  • Apr. 2023
    4th award: Bureau of Industrial Parks "Excellent Enterprise in Labor Relations" Award!
  • Apr. 2025
    5th award: Bureau of Industrial Parks "Excellent Enterprise in Labor Relations" Award!!