Vat Lieu Xay Dung Chien Nga Address: Hong Son Hamlet, Son Thinh Commune, Van Chan District, Yen Bai Province Enterprise code: 5200867342 Phone: 0984812429 Representative: Nguyen Thi Nga Adress: Hong Son Hamlet, Son Thinh Commune, Van Chan District, Yen Bai Province Son Thinh Commune, Van Chan District, Yen Bai ProvinceFounding date: 7 - 10 - 2016