Hoang Son Address: No 503 Dien Bien Phu, Ward 6, Tra Vinh City, Tra Vinh Province Enterprise code: 2100400767 Phone: 0919717071 Representative: Nguyen Hoang Son Adress: No 503 Dien Bien Phu, Ward 6, Tra Vinh City, Tra Vinh Province Ward 6, Tra Vinh City, Tra Vinh ProvinceFounding date: 21 - 12 - 2009