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...

The 123rd Canton Fair was held on April 15 in China Import and Export Fair Complex (No. 380, Yuejiang Zhong Road, Guangzhou). Although there are so many exhibitors and booths, Kefid can also stand out for its strength and reputation at home and abroa...

Construction waste refers to solid waste generated during the construction, maintenance and demolition of a building, including waste concrete blocks, asphalt concrete blocks, mortar, broken brick slag, metal, bamboo lumber, waste generated from deco...