Mai Hoang Address: Biu Hamlet, Thuong Bang La Commune, Van Chan District, Yen Bai Province Enterprise code: 5200483240 Phone: 02163873339 Representative: Hoang Trong Nghia Adress: Biu Hamlet, Thuong Bang La Commune, Van Chan District, Yen Bai Province Thuong Bang La Commune, Van Chan District, Yen Bai ProvinceFounding date: 7 - 1 - 2010