By Tech Viet Nam Joint Stock Company Address: Nha C7, Lot 3 Khu Nha Chinh Sach, Nghia Tan Street, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0108494844 Phone: 0987888411 Representative: Pham Ba Buong Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 1 - 11 - 2018