Hoang Hai Commercial Investment Company Limited
Xóm 9, Xã Hải Vân, Hai Hau District
Huy Hoang Mechanical Casting Company Limited
Đường 57, Khu A, Thị Trấn Lâm, y Yen District
Thang Loi Casting Company Limited
Thôn An Lộc Hạ, Xã Yên Hồng, y Yen District
Hoang Nam Aluminium Gate Joint Stock Company
Xóm 8, Xã Hải Vân, Hai Hau District
Anh Cuong Foundry Company Limited
Thôn Vàng, Xã Yên Bình, y Yen District
Cong Doan Foundry Company Limited
Thôn Đông Tống Xá, Xã Yên Xá, y Yen District
Duong Gia Mechanical Casting Company Limited
Đường 57, Thị trấn Lâm, y Yen District