Ching Chan Optical Technology Co., Ltd. manufactures and sells screws, rivets, and mechanical equipment. Its offerings include screw and bolt sorting machines, consecutively running optical sorting machines, electronic component optical inspection machines, nut and washer series, rod and stud series, eddy current sorting machines, and sorting machine accessories, as well as process monitoring and monitoring systems. These products serve passive components, semiconductors, LEDs, and other industries. The company was founded in 1992 and is headquartered in Kaohsiung, Taiwan.