Advanced technology helps build a "Smart City" at 2022 Chongqing Smart Expo

Guangzhou, August 24, 2022 -- From August 22 to 24, 2022 China International Intelligent Industry Expo (hereinafter referred to as Chongqing Intelligent Expo) will be held in Chongqing. Otis Electromechanical Elevator Co., Ltd. and Chongqing Market Supervision and Administration Bureau will create a joint stand