Sewon Tech LTD Address: No 141, Dai Hue Street, Khu Hoa Binh, Dong Mo Town, Chi Lang District, Lang Son Province Enterprise code: 4900868420 Phone: 0987753758 Representative: Hoang Thi Duoc Adress: Phuc Lung Hamlet, Gia Loc Commune, Chi Lang District, Lang Son Province Dong Mo Town, Chi Lang District, Lang Son ProvinceFounding date: 15 - 9 - 2020