Our Company CHIN YIH DA., Co LTD which is base in Taiwan and China Mainland, is a company manufacture LED lights, in a diverse variety like; ceiling LED light, LED panels for office, corridor, schools, and museum and industrial areas. As well we are producing LED traffic light, for urban use. We are also producers of e-book reader; we can customize the e-book according to your specific necessities; as menu language, bottoms language commands, capacity and we also can brand it with your specifications.