Song Duong Company Limited
Thôn Nùa Quán, Xã Đào Mỹ, Lang Giang District
Son Ha Building Materials Company Limited
Thôn Tân Văn, Xã Tân Dĩnh, Lang Giang District
Tan Thanh Production And Investment Joint Stock Company
Thôn T, Xã Tân Thanh, Lang Giang District
Ngoi Sao Bac Giang Joint Stock Company
Thôn Dĩnh Tân,, Xã Tân Dĩnh, Lang Giang District
Hai Son Company Limited
Số 22A,, Thị trấn Vôi, Lang Giang District
Dai Nghiep Joint Stock Company
Thôn Tân Sơn, xã Tân Dĩnh, Lang Giang District