On September 25th, Shenzhen Clou Electronics (002121.SZ) stated on the investor interaction platform that its affiliated company Shenzhen Car Electronic Network Co., Ltd. is involved in the charging station business. Currently, the company's main business is smart grids and energy storage business. In particular, the products of the smart grids sector mainly include standard instruments, smart meters, electricity information collection, smart distribution network primary and secondary products, and equipment. The company holds related patents for charging station calibration/testing devices, providing smart calibration services for electric autos charging stations.