Supplier of 5 8cm River pebble bottom pebble for Zhoukou substation
5-8cm River pebble / bottom pebble production supplier for Zhoukou substation * * contact person: Manager Zhang The stone materials are taken from the sand and stone mountains produced by the ancient river bed uplift after the crustal movement of tens of millions of years ago. They have experienced continuous collision and friction in the process of torrent impact and water transportation. In the course of tens of thousands of years of vicissitudes, they have experienced the movement of waves and water, and they have lost irregular edges and corners due to the collision and friction of gravel. The farther the water is transported, the better the quality of pebbles produced. The main chemical composition of pebbles is silica, followed by a small amount of iron oxide and trace elements and compounds such as manganese, copper, aluminum and magnesium. They have different pigments. Because of the different types and contents of these pigment ions dissolved into the silica hydrothermal so...