2024
  • New agent contract concluded with DNP, a manufacturer of foamed insulation paper for motors.
2023
  • Introduction of imported parts for 2WD/4WD switching units and parking control modules.
2022
  • New agent contracts concluded with KORDT and BROCKHAUS, new measuring instrument manufacturers.
2020
  • Began mass production of drive motor components for major electric vehicle (EV) models (including IONIQ 5, EV6, Kona EV, etc.).
2016
  • Commenced mass production of Hyundai Motor transmission parts and demonstrated technological capability.
2014
  • Achieved highest sales for large domestic helical broach cutters.
2011
  • Establishment of HJ Tong Sang Co., Ltd. (based on a specialized business in precision tools and measuring instruments)