Van Phong Dang Ky Dat Dai Va Phat Trien Quy Dat Huyen Van Chan Address: Son Thinh Commune, Van Chan District, Yen Bai Province Enterprise code: 5200686561 Phone: 02163874454 Representative: Nguyen Tien Thanh Son Thinh Commune, Van Chan District, Yen Bai ProvinceFounding date: 17 - 11 - 2011