Thanh Son LTD Address: Ban Phieng Hamlet, Son Thinh Commune, Son Thinh Commune, Van Chan District, Yen Bai Province Enterprise code: 5200269705 Phone: 0216870522 Representative: Ha Van Quyet Adress: Son Thinh Commune, Son Thinh Commune, Van Chan District, Yen Bai Province Son Thinh Commune, Van Chan District, Yen Bai ProvinceFounding date: 14 - 3 - 2007