• 2021/11
    Sumitronics Taiwan joined TCE100(Taiwan Circular Economy 100) membership.
  • 2021/04
    Sumitronics Taiwan joined membership of Taiwan Tech Arena (TTA).
  • 2020
    Business partnership with FlowView.
  • 2017
    Received “Awards for Excellent Trading Businesses” from Ministry of Economic Affairs.
    Received “International Trade Outstanding Export/ Import Business Certificate (Top 500) ” issued by the Bureau of Foreign Trade, Ministry of Economic Affairs.
  • 2012
    Introduced ERP management system and started operation from the following year.
  • 2009
    Moved to the current location (Chang Yih Building) with all employees working in the same office
    Closed the Taichung Branch Office
    Received Supplier Service Appreciation from TSMC's Fab 12 (P4 / P5) for photoresist product supplied.
  • 2008
    SEMS China merged by Sumitomo Corporation China.
  • 2007/11
    SEMS under STX one merged the together into new STX.
  • 2006
    Expanded polishing pads sales business to chemical and mechanical polishing (CMP) applications in semiconductor fabrication
    STX established bonded warehouses in Free Trade Zone (FTZ) of Taoyuan Airport
  • 2004
    Established SEMS China Branch Office and Tainan Branch Office.
    Received Best Product Award (for Si wafers) from TSMC.
  • 2000
    Started sales agent business of polishing pads ; established SEMS Tainan Branch Office
  • 1997
    Started sales agent business of gas detectors. (during SEMS period)
  • 1997/02
    Established Sumitronics Taiwan Co., Ltd. (STX) with Yasuo Ozawa as the first president; engaged in sales agent business of silicon wafers.
  • 1996/08
    Established as Summit Electro-Materials Sales Co., Ltd.(SEMS) with Tatsuhito Beppu as the first President; started sales agent business of photoresist.