The intelligent coal mining machine was officially released in Xi'an, Shaanxi on the 20th. The equipment was developed by Xi'an Coal Mining Machinery Co., Ltd., and reviewed by the expert review committee organized by China National Coal Association, it was considered that the equipment had made major breakthroughs in several key technologies, the prototype operated stably and reliably, and could meet the mining needs of the 10 meter high working condition. It was agreed to pass the factory review and conduct underground industrial tests.

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