Son Lam - Hoang Dong Company Limited
Thôn Phai Trần, Xã Hoàng Đồng, Lang Son City
Kim Le Hoa Company Limited
Đường Nhánh bắc, cửa khẩu Tân Thanh, Xã Tân Thanh, Van Lang District
san xuat o to DRAGON VietNam Northern Company Limited
Lũng Trang, Xã Tân Mỹ, Van Lang District