Hoa Thanh Address: No 420a, Tran Dang Ninh Street, Civil Group 4, Quyet Tam Ward, Son La City, Son La Province Enterprise code: 5500283612 Phone: 02123854063 Representative: Vuong Chi Hoa Adress: Civil Group 4, Quyet Tam Ward, Son La City, Son La Province Quyet Tam Ward, Son La City, Son La ProvinceFounding date: 17 - 4 - 2007