Tuyet Linh Brass Foundry Company Limited
Xóm 1, Thị trấn Lâm, y Yen District
Thanh Tam Brass Foundry Company Limited
Đường 38B, Thôn Tống Xá, Xã Yên Xá, y Yen District
Cong Doan Foundry Company Limited
Thôn Đông Tống Xá, Xã Yên Xá, y Yen District
Thanh Lich Brass Casting Company Limited
Tổ 8, Khu E, Thị trấn Lâm, y Yen District
Thanh Dat Mechanical Casting Company Limited
Thôn Đông Tống Xá, Xã Yên Xá, y Yen District
Tan Loc Mechanical Casting Company Limited
Xóm 1, thôn Tống Xá, Xã Yên Xá, y Yen District