on the afternoon of november 18, 2022, the signing and unveiling ceremony of the tianhai-saic automobile electronics and appliances new materials and technologies joint laboratory was held in anting, shanghai. min liang, ni lei, hu renqi from saic motor, wang guokang , xu chen from shanghai jieneng , feng xiangzhi from saic innovation research and development institute, guo desui, jing ju, li hui, zheng xiongfeng, wang guotang from tianhai group , wang yongchao and other leaders and scientific research leaders attended the ceremony. hosted by huo yafei, market project center of tianhai group .