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I quickly saw that the first hypothesis wasnt right and that the answer lays with precipitation but with differences for gold and copper-related to the duration of mineralisation, he said.
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.