River pebble is a kind of pure natural stone. It is taken from the sand and gravel mountain that was produced by the uplift of the ancient riverbed after the crustal movement thousands of years ago. It has experienced the impact of mountain torrents and the continuous squeezing and friction in the process of moving water. In the process of tens of thousands of years of vicissitudes and vicissitudes of life, they have experienced waves and water, lost their irregular edges and corners by the collision and friction of gravels, and were buried deep in the ground together with mud and silent for millions of years. The main chemical component of river pebble is silica, which is hard in quality, bright and simple in color, and has the characteristics of compressive, wear-resistant and corrosion-resistant natural stone. It is an ideal green building material. In the river pebble crushing process, jaw crushers are mostly used for one crushing, and cone crushers are used for two crushing and three crushing.
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