Hai Son Van Chan Address: Phieng 1 Hamlet, Son Thinh Commune, Van Chan District, Yen Bai Province Enterprise code: 5200906295 Phone: 0984623333 Representative: Dang Thu Phuong Adress: Phieng 1 Hamlet, Son Thinh Commune, Van Chan District, Yen Bai Province Son Thinh Commune, Van Chan District, Yen Bai ProvinceFounding date: 10 - 12 - 2019