Gypsum powder (plaster of paris)
Lowiron Limestone and Low Iron Dolomite.
Silica sand 99 2% ~ 99 6%
iron ore
others
Phosphates Phosphonate.
Feldspar, Limestone And Lime
Nephrite, chert, white quartz
Rough semi-precious stones, rough quartz
Nephrite, Chert, White Quartz
Marine Sand And River Sand
Rock Phosphate / Phosphoric Acid
Gypsum powder, plaster powder