Hop Tac Xa 30-4 Xa Viet Hong Address: Ban Quan Hamlet, Viet Hong Commune, Tran Yen District, Yen Bai Province Enterprise code: 5200409303 Phone: 02162224139 Representative: Tran Viet Khai Adress: Ban Quan Hamlet, Viet Cuong Commune, Tran Yen District, Yen Bai Province Viet Hong Commune, Tran Yen District, Yen Bai ProvinceFounding date: 12 - 6 - 2009