Two international exhibitions, the 15th exhibition on HVAC, Refrigeration & Smart Building Technologies in Vietnam (HVACR Vietnam 2023) and the 10th International Plastics & Rubber Technologies and Materinals Exhibition for Hanoi (Plastics & Rubber (Vietnam, Hanoi 2023) will take place in Hanoi from July 25-27, the event's organiser announced at a press conference on June 22.