Cty TNHH MTV Cong Nghe TM DV Duong Sang Address: No 158a, Lo Hot, Khom 1, Ward 5, Tra Vinh City, Tra Vinh Province Enterprise code: 2100422464 Phone: 02942240413 Representative: Bui Duy Sang Adress: 158a, Lo Hot, K1, Ward 5, Tra Vinh City, Tra Vinh Province Ward 5, Tra Vinh City, Tra Vinh ProvinceFounding date: 25 - 8 - 2010