Nha May Gach Hai Son - Chi Nhanh Cong Ty TNHH Hai Son Tai Lang Son Address: Ben Luong Hamlet, Minh Son Commune, Huu Lung District, Lang Son Province Enterprise code: 2400277426-001 Phone: 02043881393 Representative: Tran Van Son Adress: No 22a, Voi Town, Lang Giang District, Bac Giang Province Minh Son Commune, Huu Lung District, Lang Son ProvinceFounding date: 5 - 12 - 2012