Company News
Kefid will participate in the 129th Canton Fair
2021 04 02 Click:891
The 129th China Import and Export Fair(The 129th Canton Fair) will be held in Guangzhou from Apr 15, 2021 to Apr 24, 2021. Kefid will participate in it with our full range of high quality equipment. W...
Kefid will participate in the 129th Canton Fair
2021 04 02 Click:891
The 129th China Import and Export Fair(The 129th Canton Fair) will be held in Guangzhou from Apr 15, 2021 to Apr 24, 2021. Kefid will participate in it with our full range of high quality equipment. W...
The factors affecting the working efficiency of stone crushers
2021 03 19 Click:1054
The first is the hardness of the crushed stone. The stone crushed by a stone crusher is generally a material with a higher hardness. If the stone is harder, it will be more difficult to crush, and it ...
The equipment for processing weathered rock to sand
2021 02 24 Click:1067
Weathered rock is the phenomenon of rock fragmentation, looseness and changes in mineral composition under the action of solar radiation, atmosphere, water and organisms. Generally it divided into unw...
Industry News
The fine grinding mill for processing pure calcium powder
2021 04 16 Click:870
Calcium powder fine mill is an ideal model for fine powder preparation. The whole set of equipment has comprehensive mechanical crushing performance such as roller compaction, milling, impact with lar...
The fine grinding mill for processing pure calcium powder
2021 04 16 Click:870
Calcium powder fine mill is an ideal model for fine powder preparation. The whole set of equipment has comprehensive mechanical crushing performance such as roller compaction, milling, impact with lar...
The prospect of the limestone production line
2021 03 03 Click:675
The main component of limestone is calcium carbonate (CaCO3), which can be directly processed into stone and burned into quicklime. Lime includes quicklime and slaked lime. The main component of quick...
Redstone powder processed by raymond mill to develop ceramic pigment
2021 02 04 Click:751
Raymond mills are suitable for building materials, metallurgy and other non-flammable and explosive mining and chemical industries for powder processing of more than 280 materials such as barite, calc...
Focus
2018 11 17 Click:147
No.169, Kexue Avenue,National HI-TECH Industrial Development Zone,Zhengzhou, China...
Product Knowledge
The factors that affect the quality of mill rollers
2021 04 09 Click:769
There is an important accessory in the main machine of grinding mill-the grinding roller. The quality of the grinding roller is good to ensure the normal operation of the mill. How to maintain the gri...
The factors that affect the quality of mill rollers
2021 04 09 Click:769
There is an important accessory in the main machine of grinding mill-the grinding roller. The quality of the grinding roller is good to ensure the normal operation of the mill. How to maintain the gri...
The factors for the wear of the roller skin of the roller sand making machine
2021 03 19 Click:682
Hydraulic roller sand making machine is also called hydraulic roller crusher or cobblestone sand making machine. It is to upgrade the old spring roller sand making machine and replace the original spr...
2021 02 04 Click:700
The separation efficiency of the powder classifier refers to the ratio of the amount of fine powder passing through the specified aperture screen in the finished product after the powder selection to ...