LARGAN Precision was founded in 1987 , and went public in 2002. Group headquarter is located in Taichung Precision Machinery Technological Park, Taiwan. The company currently owns three factories in Taiwan, two in China, and is known as one of the world's major players in plastic aspherical lens design and production. LARGAN's products are widely distributed globally; product lines include but are not limited to lens for mobile phones, NB/laptops, tablets, automobiles, and digital cameras (DSC).