Chaw nyob
Mining Tuam Tshoj:
C, Floor #2, Building H2, Hongfa Tech Park, No 32, Tangtou
Txoj kev, Shiyan Town, Bao'an District, Shenzhen, Suav teb, 518108
Mining Vietnam:
Lot CN2, Yen Phong Industrial Park, Nroog Dong Phong thiab, Long Chau District, Yen Phong District, Bac Ninh, Nyab Laj