Chi Nhanh Serpentin Thanh Hoa - Cong Ty TNHH Hoang Ngan Address: Yen Bai Hamlet, Te Loi Commune, Nong Cong District, Thanh Hoa Province Enterprise code: 2700271351-001 Phone: 02293888966 Representative: Nguyen Ngoc Thach Te Loi Commune, Nong Cong District, Thanh Hoa ProvinceFounding date: 9 - 10 - 2009