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Basalt or crushed limestone, aggregate sizes of 12 mm h in., and coarse aggregate contents with aggregate volume factors aci 211.Water-to-cementitious material ratios range from 0.Compressive strengths range from 25.
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.