通富微电：公司主营集成电路封装测试业务

Core Viewpoint - Tongfu Microelectronics, a company specializing in integrated circuit packaging and testing, has a diverse client base that includes major international corporations and leading firms in various sectors, with most of the top 20 semiconductor companies globally and a majority of well-known domestic integrated circuit design companies as clients [1] Group 1 - The company primarily focuses on integrated circuit packaging and testing services [1] - The client resources of the company cover international giants and leading firms in various segments [1] - Most of the world's top 20 semiconductor companies are among the company's clients [1]