Thuong Mai & Dich Vu Big Tour LTD Address: No 1337, Hoang Hoa Tham Street, Song Mai Commune, Bac Giang City, Bac Giang Province Enterprise code: 2400833433 Phone: 0988662424 Representative: Nguyen Duyen Sung Song Mai Commune, Bac Giang City, Bac Giang ProvinceFounding date: 6 - 3 - 2018