HANOI, Vietnam, Nov. 25, 2015 /PRNewswire/ — The 7 th Vietwater and 1st RE & EE Vietnam 2015 Expo & Forum was officially opened today at the Vietnam Exhibition Fair Centre (VEFAC) in Hanoi, Vietnam by H.E. Ms. Phan Thi My Linh, Vice Minister, Ministry of Construction; Mr. Cao Lai Quang, Chairman, Vietnam Water Supply and…