B28, HH04, Viethung new urban Area, Giang Bien ward, Long Bien District, Hanoi
6th Floor, Icon 4 Building, No. 243 La Thanh, Dong Da, Hanoi
Km92 Highway 5, Hung Vuong Ward, Hong Bang District, Hai Phong City
No. 28, Lot A11, Central Urban Area – Hong Hai Ward, Ha Long City, Quang Ninh Province, Vietnam.
Detech Tower, 10th Floor, 08 Ton That Thuyet, My Dinh, Tu Liem Dist., Hanoi
No. 90A, Alley 12 Dang Thai Mai, Quang An ward, Tay Ho District, Hanoi