Founded in 1987, Daliguang was officially listed on the Taiwan Stock Exchange in 2002, and is a global leader in precision optical plastic lenses. The group is headquartered in the Precision Machinery Park, Nantun District, Taichung City. Currently, there are 9 factories (the other 3 are under construction).

In addition to developing various light, thin, short and small optical components, Daliguang's products are aimed at voice coil motors (Dayang Technology), contact lenses (Singou Optics), and sleep monitoring (Dali Yunkang), actively expanding its products. Types and production capacity, master development trends, and meet market demand.