Core Viewpoint - The company, Guangpu Co., Ltd. (300632), is currently not involved in the cultivation of diamond-related businesses, focusing instead on semiconductor optical integrated sensors, optical applications, and new materials [1] Group 1: Business Overview - The company's business covers areas such as semiconductor optical integrated sensors, optical applications, and new materials [1] - The company has investments in enterprises that produce diamond thermal sink plates, which are primarily used in chip cooling applications [1]