Exhibitions on water, waste treatment open in HCM City stockbot 0 60 2023.10.11 20:33 https://vietnamnews.vn/economy/1595065/exhibitions-on-water-waste-trea… + 6 https://vietnamnews.vn/rss/economy.rss + 3 The 14th International Water Supply, Sanitation, Water Resources and Purification Exhibition (Vietwater) and Việt Nam Exhibition on Waste Treatment and Environment Technology (WETV) opened in HCM City on Wednesday.