Apr 1994   Foundation of Seil Electronic Machinery Co., Ltd.
Jun 1994   Produced CO©üwelding machine 500A (S.C.R. TYPE)
Aug 1994   Produced CO©ü welding machine 800A (S.C.R. TYPE)
Sep 1994   Developed CO©ü& GOUGING welding machine 800A (S.C.R. TYPE)
Nov 1996   Selected as industrial infra-technology project (MIR)
Dec 1998   Technology transfer for portable inverter welding machine (from KERI, etc.)
Feb 1999   Developed PULSE MAG 300 under government support by Industrial infra-technology project
Jun 1999   Produced Three-phase TIG/DC ARC welding machine
Aug 1999   Made contract for technology research project (INVERTER) supported by KITECH.
Sep 1999   Produced portable welding machine 150A
Sep 1999   Designated as promising small subiness (by KERI)
Oct 1999   Developed INVERTER CO2/MAG 350A
Nov 1999   Registration of domain (WWW.YAMUJIN.CO.KR)
Nov 1999   Agreement for evaluation of weldability for ARC welding machine (KITECH)
Dec 1999   Developed INVERTER CO2/MAG 500A
Dec 1999   Selected as venture company (SMBA)
Dec 1999   Registered domain (WWW.WELDLAND.CO.KR ,WWW.WELDNET.CO.KR)