Giam Sat Ngoc Chinh Joint Stock Company Address: Tieu Khu 10, Hat Lot Commune, Mai Son District, Son La Province Enterprise code: 5500345386 Phone: 02278182207 Representative: Dao Ngoc Chinh Adress: Tieu Khu 10, Hat Lot Commune, Mai Son District, Son La Province Xa Hat Lot Commune, Mai Son District, Son La ProvinceFounding date: 7 - 2 - 2009