Core Viewpoint - The company, Tai Chen Guang, has a diverse range of products in the optical communication sector, which are utilized in various applications including telecommunications, data centers, and government enterprise networks [1]. Group 1: Company Products - The main business of the company includes various optical communication devices and their integrated functional modules, as well as optical sensing products and solutions [1]. - The company's products are widely applied in the construction of telecommunications networks, data centers, and government enterprise private networks globally [1].

Core Viewpoint - The company, Taicheng Technology (300570.SZ), specializes in optical communication devices and integrated functional modules, as well as optical sensing products and solutions, which are widely used in telecommunications networks, data centers, and government-enterprise private networks globally [1]. Group 1 - The main business of the company includes various optical communication devices and their integrated functional modules [1]. - The company also offers optical sensing products and solutions [1]. - The products of the company are applied in the construction of telecommunications networks, data centers, and government-enterprise private networks worldwide [1].