Largan Precision Co., Ltd., together with its subsidiaries, designs, manufactures, and sells precision optical plastic lenses in China, South Korea, Vietnam, Japan, Taiwan, and internationally. The company offers mobile phone lens, voice coil motors, image lens modules, sleep health monitoring products, automotive and contact lenses, silicon carbide crystals, titanium niobate anode materials, and fiber optic lasers and space communications products, as well as video cameras, cameras, monocular and binocular telescopes, fax machines, microscopes, scanners, and lenses for multi-magnification signal readers. It also engages in the manufacturing and processing of image capture devices, image readers, and camcorders; manufacturing of general and optical instruments, as well as battery, wired communication equipment, machinery and equipment, and other communication and transmission equipment; wholesale and retail of medical and photographic equipment; sale of optical components; investment activities; and software development. In addition, the company is involved in health and beauty products; patent licensing and marking services; and import business. It exports its products. The company was incorporated in 1987 and is headquartered in Taichung, Taiwan.