alamat
Tambang China:
C, Lantai #2, Gedung H2, Hongfa Tech Park,
No 32, TangtouRoad, Shiyan Town, Bao'an
Distrik, Shenzhen, China, 518108
Vietnam pertambangan:
Lot CN2, Yen Phong Industrial Park,
Dong PhongCommune lan, Long Chau
Komune, Distrik Yen Phong,
Provinsi Bac Ninh, Vietnam