Xiangde appeared in China high-speed exhibition, helping the smart high-speed upgrade

Guangzhou, July 25, 2022 -- The 24th China Expressway Information Conference and Technology Product Expo (hereinafter referred to as Expressway Exhibition) will be held in Changsha International Convention and Exhibition Center from July 27 to 28. In the past 23 years, the high-speed exhibition is promoting the informationization of Chinese highway