Cam Phuoc quarry – Cam Ranh – Khanh Hoa Dong Nam quarry in Ong Ngai mountain – Thuan Bac – Ninh Thuan Hon Soc 1 quarry – Hon Dat – Kien Giang Hon Ngang quarry – Dien Khanh – Khanh Hoa Hon Soc 2 quarry – Hon Dat – Kien Gian