Lang Son, May 15 -- Authorities of the northern province of Lang Son and Pingxiang city in the Guangxi Zhuang Autonomous Region of China held talks on May 15 at Tan Thanh (Vietnam) - Po Chai (China) clearance point near markers 1090-1091 in Hoang Van Thu commune of Lang Son to promote trade, develop smart border gates and expand cross-border tourism cooperation. A key focus of the meeting was accelerating investment in a smart border-gate model along the dedicated freight transport route connecting marker area 1088/2-1089 between Tan Thanh and Po Chai. The two sides also discussed the operation of automated guided vehicles (AGV) on the route, viewed as a new step towards modernising cross-border logistics, reducing transport costs, improv...