Tan Hiep Thanh Mechanical Casting Company Limited
Thôn Tống Xá, Xã Yên Xá, y Yen District
Duy Quang Mechanical Art – Casting Company Limited
Thôn Tây Tống Xá, Xã Yên Xá, y Yen District
Manh Linh Business Trading Company Limited
Quốc Lộc 38B, Xã Yên Bình, y Yen District
Dai Dong Tien Mechanical Casting Company Limited
Xóm 2, Thôn Tống Xá, Xã Yên Xá, y Yen District