[Tonghe Technology: plans to invest 520 million yuan in Shijiazhuang headquarters expansion Project] Tonghe Technology announcement, it is proposed to invest in the Shijiazhuang headquarters expansion project in Shijiazhuang High-tech Zone (including but not limited to the industrialization project of high-power charging module and the construction project of R & D center). The land requisition area of this project is about 85 mu and the total investment is 520 million yuan.