Trung Thinh Phat Thai Nguyen Joint Stock Company
Tổ 9, Phường Tân Lập, Thành phố Thái Nguyên
Mau Ngoc Linh Metal Company Limited
Thôn Bản Cuôn II, Cho Don Commune, Thai Nguyen Province
Cao Bac Steel Joint Stock Company
Tổ 16, Duc Xuan Ward, Thai Nguyen Province
Thanh Phat Trading And Minerals Company
Số nhà 101, Tổ 8, Thuc Phan Ward, Cao Bang Province
Ba Rit Chi Kem Cao Bang And Mineral Manufacturer Exploiting Joint Stock Company
Xóm Lạng Cá, Bao Lam Commune, Cao Bang Province
Tay Giang Cao Bang Minerals Joint Stock Company
Xóm Bản Gủn, Nguyen Hue Commune, Cao Bang Province
An Phat Mineral Joint Sockt Company
Tổ 3, Bac Kan Ward, Thai Nguyen Province
Thien Phu Mineral Joint Stock Company
Bản Nà Lèng, Thanh Cong Commune, Cao Bang Province
Phu Son Joint Stock Company
Tổ 22, đường 3/10, Phường Sông Bằng, Thành phố Cao Bằng