Costar Group Co., Ltd. develops, manufactures, sells, and services optical components and parts in China. It provides various shape and special material optical lens; optical prisms for use in light engine for advanced LCDs, DLPs, and LCOS displays, as well as DVD series prisms and dichroic mirrors; and special type components, such as high-precision optical components for large-diameter super-smooth optical plano-surface and super-smooth optical spherical-surface, as well as high-power laser optical components, aspherical, infrared components, coating products, etc. The company also designs and manufactures various lens assembly, projection lens, monitoring lens, fingerprint device lens, fixed focus projection lens, and zoom projection lens; light engines, including DLP, portable LED, minisize LED embedded type, single and three panel LCOS, large type three-DLP, and laser light engines; and optical auxiliary materials. In addition, it provides mechanical parts; photoresistance cells; and single piece or glued optical low pass filter products used in digital cameras, monitoring systems, digital vidicon, etc. Costar Group Co., Ltd. exports its products to Japan, the United States, Germany, South Korea, Hong Kong, and Taiwan. The company was formerly known as Lida Optical and Electronic Co., Ltd. and changed its name to Costar Group Co., Ltd. in 2019. Costar Group Co., Ltd. was founded in 1995 and is based in Nanyang, China.