ELEC manufactures electric insulating parts of high quality and is important corporative partners of many international heavy-weight electrical product manufacturers. ELEC own brand (EL) products include high, medium and low voltage post insulators, busbar supports etc. and are widely used by domestic and overseas electrical manufacturers, switchboard manufacturers etc.

ELEC's medium voltage post insulators had passed the electrical tests of Taiwan Electric Research & Testing Center. In 1994, ELEC's 7.2kV medium voltage insulators successfully entered the Japan market and passed electrical, mechanical and physical tests of Technology Research Institute of Osaka Prefecture.