Cty TNHH Ringier Viet Nam (Ntnn) Address: 12 Ton Dan, Ward 13, District 4, Ho Chi Minh City Enterprise code: 0311281152 Phone: 0839405071 Representative: Mai Thi Phuong Trang Adress: 168/4 Vo Thanh Trang P.11, Tan Binh District, Ho Chi Minh City Ward 13, District 4, Ho Chi Minh CityFounding date: 26 - 10 - 2011