Kefid Machinery is a leading and pioneering enterprise with the most advanced international level in R & D, manufacturing and selling of large-scale crushing & screening plants, industrial milling equipments and beneficiation plants. All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification. KEFID is a…
Temperature effect on crusher At work, each component has its own normal range of temperature. Crusher in use process, the overload operation, to prevent low temperature to ensure normal operation in the process of the temperature stage at low speed, the mechanical driving again after the temperature reaches or work, don’t cry because it is…
With the rapid development of building industry, the sand has a big demand for building engineering. The river sand, as a local resource, can not reborn again at a short time with a phenomenon of decreasing of natural sand in the world even no natural sand existing in some area.