Zinc ash, zinc dross, zinc ingot.
Coal, silica sand, briquette, white tin, zircon sand, palm shells, wood charcoal, wood pellet, palm oil ,coal mining, nickel ore, copper, tin, iron sand, iron ore.Export, mining, we are also consultants for joint operations or take over of coal mines, silica sand, tin ore, copper ore, iron sand, and we have some good mining data
