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Processing crushed rock fine to produce manufactured sand for.Jan 3, 2014 river sand rs and crushed rock fine crf have been used as fine aggregate in concrete for centuries.The mesh screen, where particles of the right fineness are allowed to pass through and drop to the product collector and oversized particles are returned to the barmac vsi crusher for re-crushing.
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.