Unless the reliable quality is guaranteed, increasing sales in fiercely competitive overseas markets could be impossible. To ensure top quality, all production lines of DH Lighting are thus equipped with the latest automatic systems and its own developed computer vision checking programs. In addition, each manufacturing process in the factories is under strict control of ISO/TS 16949 and ISO14001, and all standard bulbs have acquired world top-class quality approvals, E1 (Europe), DOT (USA), INMETRO (Brazil), iCAT (India) and ARTC (Taiwan).

Thanks to all of these efforts, about 80 percent of its revenues come from abroad. The company expects that its business has plenty of scope to grow, targeting markets with huge growth potential in China and India. DH Lighting has a strategic business plan to be No.3 leading manufacturer of automotive halogen bulbs in worldwide within 5 years.