Coal gangue is a solid waste discharged during coal mining and coal washing. It is a dark-gray rock with lower carbon content and harder than coal that is associated with coal seams during coal formation. Coal gangue is mainly used to produce gangue...

Kefid MTW110 series trapezium mill has a processing capacity of 3.5~25t/h, a feed particle size of 30~40 mm, a finished product size of 1.6-0.045 mm, a fineness of 0.038 mm, and a fineness of about 0-425 mesh/ 200-33 microns, mainly used for processi...

Recently, it was jointly established by the China Machinery Industry Federation and the China Mechanical Engineering Society. The comprehensive science and technology award for the national machinery industry-- the China Machinery Industry Science an...

For stone materials used in railway projects, when calculating the mix ratio, the common particle sizes of crushed stone aggregates are divided into: 5mm, 10mm, 16mm, 20mm, 30mm, 31.5mm; There are several types of crushers are commonly used in railwa...

For the processing equipment of open-pit coal mining mobile crushing stations, Kefid has introduced various types of mobile crushing equipment for coal mines, which have a wide range of applications in coal mining. The main products of mobile crusher...

Recently, the China Machinery Industry Science and Technology Award, a comprehensive science and technology award for the national machinery industry, was jointly established by the China Machinery Industry Federation and the China Mechanical Enginee...