Nha May Tuyen Luyen Dong-Vang Address: Chau Que Ha Commune, Van Yen District, Yen Bai Province Enterprise code: 5200194023-001 Phone: 0216833545 Representative: Vu Dinh Toan Adress: Hong Ha Ward, Yen Bai City, Yen Bai Province Chau Que Ha Commune, Van Yen District, Yen Bai ProvinceFounding date: 28 - 5 - 2007