The company was established in Hsinchu in 1987 for the production of holy bulbs. We have been able to grow up as a member of the Sumitomo Electric Group by providing customers with excellent products and services. In addition to adhering to the business philosophy of Sumitomo Inc., which is immersed in the fine and unconstrained business philosophy, it strives to conduct business activities with high standards of corporate ethics in all aspects of technology and environmental protection.