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Vertical shaft impact (VSI) crusher is typically composed of electric motor, transmission device, main shaft, impeller, hopper, distributor, crushing chamber, chassis, and lubricating device, etc. 1. Transmission Device (electric motor inclusive) adopts the belt transmission structure which is driven by dual-motor or single electric motor. The two electric motors of dual-motor drive are respectively installed […]

Attitude is defined as a mental state involving beliefs, feelings, values and dispositions to act in certain ways. Often, when shown the personal benefits of a positive attitude adjustment, people are willing to change their attitudes to achieve an organization’s mission. A positive attitude in the workplace can help you whether you own your own […]

There are several series of concrete crushers during to the crushing way, such as jaw concrete crushers, cone concrete crushers, impact concrete crushers, vertical shaft concrete crushers and portable concrete crushers. Portable concrete crushers also have four series: portable jaw concrete crusher portable impact concrete crusher, portable cone concrete crusher and crawler portable concrete crusher. […]

In order to protect the ecological balance, countries banned excavation natural sand without authorization. Natural sand amount for greatly couldn’t keep up with demand. Therefore, sand production line equipment development is very urgent to schedule. There is more and more client’s investment sand production line, Henan star when choose and buy of sand production line […]

A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as […]