1987.11. Daehanlead electronics establishment
1987.11. LEAD FORMING M/C Development
1987.11. TENRYUSEIKI CO.,LTD Domestic monopoly agency contract
1995.06. TENRYUSEIKI EMBOSS TAPING M/C Selling start
1997.04. TENRYUSEIKI VISION SCREEN PRINTER TSP-500 Selling start
1999.12. MASS CO.,LTD VISION INSPECTION
VQZ-Ⅲ Equipment inside selling agreement
2001.03 TENRYUSEIKI CO.,LTD VISION PRINTER
TSP-1000 Selling start
2002.01. TENRYUSEIKI CO.,LTD VISION PRINTER TSP-550 Selling start