1980 ~ 1990 Established Yongsung Electric (5hl482-58, Tasri-ri, Dongdaemun-gu, Seoul) product (CLASS-1D certification No. 1 Shinhan certification obtained electrical product type approval (Industrial Promotion Agency) Designated as a technologically competitive (Small and Medium Business Administration)
Obtained Korean Industrial Standard KS Approval (Industrial Promotion Agency) Registered as a nuclear power plant component supplier (CLASS-1E) -KORI Nuclear Power Plant
Obtained license for measuring instrument manufacturing (Gyeonggi-do) j9S9.0S.
Passed nuclear power level test (F & H USA) Obtained IS0 90001 certification (RABl-HSB-RS Korea
Qualitied & Certitied Nuclear Grade ltem Obtained "IS09001 (RAB)" by HSB-RS Korea
(F & H in U.S.A) Acquired KEPIC Nuclear Energy Performance Quality Certification (Korea Electric Association)
1 998.C4.Obtained KEPIC Certiticate tor Quality Assurance
Designated as a Promising Small and Medium Enterprise and Quality Standard Certification (Gyeonggi Province) system of Nuclear grade ltems-Korea Electric
Appointed as a privileged enterprise tor new Association
technology and assured quality standard by the Dare to get UL certification (US, Canada) a micro switch
Gyeonggi-do, Korea Certitied UL Mark (U.S.A and Canada) tor the Micro Switch