002189.SZ

Costar Group Co., Ltd., established in Nanyang, China, in 1995, operates as an integrated enterprise focused on the development, production, distribution, and servicing of optical components and related parts. The company's extensive product portfolio encompasses a diverse array of optical lenses, available in various configurations and specialized materials. They also manufacture optical prisms, which are essential for light engines in advanced display technologies like LCD, DLP, and LCOS, alongside DVD-series prisms and dichroic mirrors. Costar specializes in high-precision optical components, including elements for large-diameter, ultra-smooth plano and spherical surfaces, high-power laser optics, aspherical and infrared components, and various coating solutions. Furthermore, Costar designs and produces a wide selection of lens assemblies, such as fixed-focus and zoom projection lenses, monitoring lenses, and fingerprint device lenses. Their offerings extend to a comprehensive range of light engines, covering DLP, portable LED, miniature embedded LED, single and three-panel LCOS, large-scale three-DLP, and laser light engine technologies. Complementing these are optical auxiliary materials, mechanical parts, and photoresistance cells. The company also supplies single-piece and bonded optical low-pass filters (OLPFs), widely utilized in applications like digital cameras, surveillance systems, and digital videocons. While primarily based in China, Costar Group actively exports its products to significant international markets, including Japan, the United States, Germany, South Korea, Hong Kong, and Taiwan. The company underwent a rebranding in 2019, changing its name from Lida Optical and Electronic Co., Ltd. to Costar Group Co., Ltd.