HGT hydraulic gyratory crusher is a coarse crusher developed by Kefid which absorbs the modern crusher design and high-tech technology. It integrates mechanical, hydraulic, electrical, automation and intelligent control. Whether it is fixed or semi-m...

The VU system can use cheap and easily available tailings, waste, construction waste, stone chips as raw materials and adopts an environmentally friendly dry process to produce an excellent mechanism sand comparable to natural sand. VU sand meets the...

Aluminum ore is a metal ore with high hardness and a difference in ore grade. Its processing is different with other non-metallic ores in process design and equipment selection. Kefid is one of the production and export bases for crushing and grindin...

For 250 mesh limestone processing equipment, we can choose MTW European mill, TGM overpressure trapezium mill, VM vertical mill. Their fineness of final products is adjustable between 80-425 mesh which can meet 250 mesh needs of limestone powder. In...

Aggregate is an important building material and a non-renewable resource.Since last year, the price of sand and gravel has been increasing rapidly.From January 2018 to mid-June, the highest increase in sand prices has reached more than 600%, the incr...

Basalt is a volcanic rock and its main components are silica, alumina, iron oxide, calcium oxide, magnesium oxide (also a small amount of potassium oxide, sodium oxide), of which the most content is silicon dioxide, accounting for about 45-50%. There...