Dich Vu Vien Thong Hoan Mai LTD Address: Tan Van 2 Hamlet, Tan Dinh Commune, Lang Giang District, Bac Giang Province Enterprise code: 2400819220 Phone: 0963746254 Representative: Dinh Van Hoan Tan Dinh Commune, Lang Giang District, Bac Giang ProvinceFounding date: 24 - 7 - 2017