Since its inception in Feb 1985, Sewon Corporation has led the development of automotive parts industry. We listed on KOSDAQ (Korea Securities Dealers Automated Quotation) Dec 1994.Sewon is equipped with large size facilities such as Transfer 1500Ton, ...

Optonica corporation is a joint venture of Korea and Japan developing ,manufacturing selling the products applied with optical semi-conductor elements. Based on unique technology accumulated for 30 years in field optics Japan, we , Optonica, are always ...