Quan Tien Joint Stock Company Address: Nghia La Hamlet, Trung Chinh Commune, Luong Tai District, Bac Ninh Province Enterprise code: 2300308014 Phone: 02122640946 Representative: Nguyen Xuan Viet Adress: Yen Nguu Hamlet, Tam Hiep Commune, Thanh Tri District, Ha Noi City Trung Chinh Commune, Luong Tai District, Bac Ninh ProvinceFounding date: 2 - 8 - 2007