Since

• Founded Dooseong Tech-Win Corporation
  Acquired ISO 9001 & 14001
• Founded the Corporate Affiliated Research Institute
• Acquired 2007TS16949
• Changed the Company Name to Sinseong Tech-Win Corporation
  / Registered the 1st Vendor of LGE MC Dept.
• Founded the Vietnamese Corporation
• Founded the Chinese Corporation
• Founded the R&D Center in Uiwang
• 2015 Changed the Company Name to ST Corporation
  Founded the Die Technology Center
• Awarded the 10Million-Dollar Export Tower from Korea International Trade Association
• Founded the Changnyeong Plant