Duy Thanh LTD Address: Civil Group 2, Tam Son Town, Quan Ba District, Ha Giang Province Enterprise code: 5100173421 Phone: 02193846309 Representative: Trinh Duy Tho. Adress: Civil Group 2, Tam Son Town, Quan Ba District, Ha Giang Province Tam Son Town, Quan Ba District, Ha Giang ProvinceFounding date: 1 - 4 - 2003