2006~2010 OO Electronics Gumi Electronical room MV SWGR & TRansformer

2006~2010 12MVA Cast resin Transformer 12MVA Cast resin Transformer

2006~2010 SPP OO Energy Biggest capacity cast resin transformer in Asia

2006~2010 Dualization of 22.9kv Lead-in line High speed Transfer system

2006~2010 TRANSFORMER MARINE MOTOR TRANSFORMER MARINE MOTOR

2006~2010 Expand capacity of electrical installation LASER CORE CAST RESIN TRANSFORMER

2006~2010 OO electronics Gumi 3th Factory Replacement of Main Transformer