Van Phong Dai Dien Cong Ty TNHH Tu Van Giai Phap Quan Ly Mien Bac Quynh Nhai Address: Tieu Khu 3, Quynh Nhai Commune, Quynh Nhai District, Son La Province Enterprise code: 5500565670-004 Phone: 0988069939 Representative: Truong Thi Bich Huyen Quynh Nhai District, Son La ProvinceFounding date: 16 - 3 - 2026