Lang Son Trading And Service Company Limited
Thôn Thâm Mò, Xã Phú Xá, Cao Loc District
Mau Son Pharmaceutical Joint Stock Company
Thôn Bó Pằm, Xã Mẫu Sơn, Loc Binh District
co phan duoc lieu Tot Company
Xã Châu Sơn, Dinh Lap District
co phan Dong duoc Hong Dat Company
Xóm khoàn pát, Xã Mai pha, Lang Son City
Nang Ngoc Company Limited
Số 79, Cao Thắng, Phường Hoàng Văn Thụ, Lang Son City
Van Đat Trading and Service Production Joint Stock Company
Số 335, đường Trần Đăng Ninh, Phường Hoàng Văn Thụ, Lang Son City