Vien Ky Thuat Tai Nguyen Nuoc Va Moi Truong Address: 131, Street 45, Tan Quy Ward, District 7, Ho Chi Minh City Enterprise code: 0302963871 Phone: 0287717387 Tan Quy Ward, District 7, Ho Chi Minh CityFounding date: 9 - 10 - 2003