Vang Bac Long Ha Address: Khe Hum Hamlet, Tan Nguyen Commune, Yen Binh District, Yen Bai Province Enterprise code: 5200819807 Phone: 0979147889 Representative: Pham Quang Minh Adress: Khe Hum Hamlet, Tan Nguyen Commune, Yen Binh District, Yen Bai Province Tan Nguyen Commune, Yen Binh District, Yen Bai ProvinceFounding date: 6 - 5 - 2015