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Crushing stones with sio2 sher unit silica silicon dioxide sio2 chemistry sio2, silicon dioxide.Believed to have great healing powers, the stones were crushed into powder and mixed with honey and.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.