Phong Tai Nguyen - Moi Truong Address: Khu I, Van Tung Commune, Huyen Ngan Son, Bac Can Enterprise code: 4700187777 Phone: 02093874131 Representative: Pham Ngoc Sang Van Tung Commune, Ngan Son District, Bac Kan ProvinceFounding date: 22 - 7 - 2009