Viet Du Address: Tieu Khu 3, Yen Chau Town, Yen Chau District, Son La Province Enterprise code: 5500359741 Phone: 02123840036 Representative: Pham Van Viet Adress: Tieu Khu 3, Yen Chau Town, Yen Chau District, Son La Province Yen Chau Town, Yen Chau District, Son La ProvinceFounding date: 16 - 4 - 2009