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Coal miners extract coal by one of two methods surface mining in open pits deep mining in underground shafts the geology of a deposit of coal determines which of the methods miners use.Underground mining currently represents a larger share of world production than surface mining.
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.