River pebbles is an ideal green material, it is widely distributed, more common, and the appearance, the crusher treatment is ideal for applications roads, building construction stone. But if the device does not choose, not only not a good application, but also a waste of resources river gravel, river gravel then the best of it…

The limestone composition analysis: Main mineral composition is calcite, limestone mineral particles and the crystal structure, surface smooth, a small granule. Color is black, grey, white, yellow and brown. Limestone formation of seawater, so its name, main component is calcium carbonate, lime with quicklime and hydrated lime. The main composition of quick lime is CaO,…