Lingsen Precision Industries, Ltd. manufactures and sells semiconductor materials and equipment in Taiwan, the rest of Asia, Europe, and the Americas. The company is involved in assembly, testing, manufacture, and packaging of various integrated circuits and optoelectronics products. It offers assembly services, including reliability test, failure analysis, package characterization, and product services; and test process services for water test and final test equipment. The company was founded in 1970 and is headquartered in Taichung, Taiwan.