[Baiwei Storage: Plans to invest 4.5 billion yuan in the construction of the third phase of the wafer-level advanced packaging and testing manufacturing project] On September 22, Baiwei Storage (688525.SH) announced that the company and its holding subsidiary Guangdong Chipcheng Hanqi plan to sign a cooperation agreement with the Dongguan Songshan Lake High-tech Zone Management Committee to invest in the construction of the third phase of the wafer-level advanced packaging and testing manufacturing project, with a total investment of approximately 4.5 billion yuan, including 4 billion yuan in fixed assets investment. The project does not involve new land use, and the construction content will be completed within the original project industrial land. The company stated that this investment is an increase in capital and production expansion based on the original project. The source of funds is its own and self-raised funds and does not involve raised funds.