Big Dipper Star Express said that the main drivers of performance growth include: 1. The rapid growth of basic product segment performance was 39.17%. Among them, due to the rapid growth of high-precision antenna and radio services, Guangdong Weitong base station business and other factors, the operating income of Huaxin Antenna increased; Due to the rapid growth of LTCC microwave ceramic communication components, Bluetooth-related business, mergers and acquisitions of Hangzhou Kelly, and other factors, Jiali Electronics’ operating revenue increased; affected by the rapid growth of autopilot, high-precision application business of drones and surveying and mapping industries, etc. Affected, Navigation Products Division's operating income increased. 2. Mergers and acquisitions of German in-tech consolidated statements. In the report period, in-tech increased revenue by RMB162 million, accounting for 7.35% of the company's total operating revenue.