Truong Thanh - Yen Bai Development And Investment Joint Stock Company
Bản Phiêng, Xã Sơn Thịnh, Van Chan District
Yen Phu Rare Earth Joint Stock Company
Thôn 11, Xã Yên Phú, Van Yen District
Phu Nam Ha Noi Company Limited
Bản Sang Đốm, Xã Nghĩa Lợi, Nghia Lo Town