Van Phong Dai Dien Cong Ty Co Phan Vien Thong Intercom Viet Nam Address: Zoom 405, 4th Floor, Golden Bee Building, No 607- 609 Nguyen Ki, Ward 09, Phu Nhuan District, Ho Chi Minh City Enterprise code: 0103973498-001 Phone: 02862922991 Representative: Nguyen Thi Minh Adress: 23 A Civil Group, Phuc Xa Ward, Ba Dinh District, Ha Noi City Ward 9, Phu Nhuan District, Ho Chi Minh CityFounding date: 8 - 11 - 2016