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Stone is a physical object.Tons is an abstract concept.If you want to know how much your m3 stone weighs whatever an m3 is put it on a scale.
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.