Thôn Sẩy Hạ, Xã Đồng Tân, Huu Lung District, Lang Son Province, Viet Nam

Tanthanhlangson Company Limited

Thôn Tân Thành, Xã Đồng Tân, Huu Lung District

Dong Kinh Construction And Trading Investment Joint Stock Company

Số 39, đường Khòn Cuổng, Thị trấn Cao Lộc, Cao Loc District

Quyet Thang Company Limited

Xóm Nà Giảo, thôn Phai Luông, Xã Hợp Thành, Cao Loc District

Quyet Thang Investment And Production Joint Stock Company

Thôn Kéo Quang, Xã Chi Lăng, Trang Dinh District

Duc Phat Trading And Production Joint Stock Company

Thôn Liên Hòa, Xã Gia Cát, Cao Loc District

Song Diem Business And Production Joint Stock Company

Thôn Tân Hoa, Xã Hồ Sơn, Huu Lung District

Tran Manh Nam Company Limited

Thôn Sẩy Hạ, Xã Đồng Tân, Huu Lung District

Nam Vang Building Materials Joint Stock Company

Thôn Trong Là, Xã Tân Liên, Cao Loc District

Tuan Loc Joint Stock Company

Số 45, đường Bà Triệu, Phường Hoàng Văn Thụ, Lang Son City

Ngoi Hop Thanh Brick Joint Stock Company

Khối 8, Thị trấn Cao Lộc, Cao Loc District

Vinh Loi Trading And Investment Joint Stock Company

Thôn Là Lim, Xã Minh Sơn, Huu Lung District