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Vietnam and malaysia have enacted similar curbs on the practice.Environmentalists say this is forcing miners to search elsewhere in the region and.The tiny island-state also needs salt-free river sand for.
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.