Alamat
Tambang Cina:
C, Lantai #2, Gedong H2, Hongfa Tech Park,
No 32, TangtouRoad, Kota Shiyan, Bao'an
Kacamatan, Shenzhen, Cina, 518108
Pertambangan Vietnam:
Lot CN2, Yen Phong Industrial Park,
Dong PhongCommune jeung, Long Chau
Komune, Kacamatan Yen Phong,
Propinsi Bac Ninh, Viétnam