Hoang Thi Bich Ngoc (Co So San Xuat Da Vien Tinh Khiet Song Hong) Address: No 1B, Alley 71, Goc De Lane, Minh Khai, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0102030596 Phone: 0246243419 Representative: Hoang Thi Bich Ngoc Adress: No 4 Hoa Ma, Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi City Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 19 - 9 - 2006