Liem Nguyen Technical Services And Trading Company Limited
Số 170, đường Bà Triệu, Phường Hoàng Văn Thụ, Lang Son City
Hung Hung Technology Equipment and Construction Joint Stock Company
Ngõ 10, đường Đèo Giang, Phường Chi Lăng, Lang Son City
Hung Hoang Construction And Technology Company Limited
Số 24, Đường Ngô Sỹ Liên, Khối Cửa Nam, Phường Chi Lăng, Lang Son City