Company News
Kefid will participate in the 125th Canton Fair
2019 04 11 Click:286
Canton Fair is a comprehensive international trading event with the longest history, the largest scale, the most complete exhibit variety, the largest buyer attendance, the greatest business turnover ...
Kefid will participate in the 125th Canton Fair
2019 04 11 Click:286
Canton Fair is a comprehensive international trading event with the longest history, the largest scale, the most complete exhibit variety, the largest buyer attendance, the greatest business turnover ...
The stones for producing mechanism sand
2019 03 29 Click:108
Mechanism sand refers to particles of different sizes of crushed rock sieved to less than 5 mm. The commonly used production mechanism sand materials are limestone, granite, sandstone, quartzite,...
The working principle and application area of Kefid VU sand and gravel aggregate optimization system
2019 02 25 Click:366
The VU dry sand making system consists of VU sand making machine, VU mode control screen, VU grain machine, humidifying agitator, dust collector and central control system.The raw materials are sent i...
Industry News
The reasons for the shutdown of the hp500 cone crusher under load conditions
2019 04 11 Click:312
When cleaning the crushing chamber of the hp500 cone crusher, it is necessary to start the hydraulic station and pressurize the lower half of the hydraulic cylinder through the lower oil inlet pipe co...
The reasons for the shutdown of the hp500 cone crusher under load conditions
2019 04 11 Click:312
When cleaning the crushing chamber of the hp500 cone crusher, it is necessary to start the hydraulic station and pressurize the lower half of the hydraulic cylinder through the lower oil inlet pipe co...
2019 03 21 Click:266
Tooth plateThe tooth plate is made of ZGMn13Cr2 material. This product adds a certain amount of chromium to the original high manganese steel to improve the hardness of the product. The castings are s...
The daily top ten inspection items for grinding mill
2019 02 21 Click:271
The daily inspection of the mill has the following items:1. Always listen to the normal operation of the mill and the classifier, and whether there is any abnormal sound.2. Check if the reducer and other equipment ...
Focus
2018 11 17 Click:147
No.169, Kexue Avenue,National HI-TECH Industrial Development Zone,Zhengzhou, China...
Product Knowledge
The selling points of impact crusher
2019 04 04 Click:422
1. The impact crusher adopts the hydraulic open-top device (opening the hinged frame cover), which can quickly replace the wearing parts such as the hammer and reduce the downtime and maintenance time...
The selling points of impact crusher
2019 04 04 Click:422
1. The impact crusher adopts the hydraulic open-top device (opening the hinged frame cover), which can quickly replace the wearing parts such as the hammer and reduce the downtime and maintenance time...
The crusher for processing limestone with capacity of 200 tons per hour and discharge size of 30mm
2019 03 14 Click:292
Kefid PF series impact crusher can process all kinds of coarse, medium and fine materials (granite, limestone, concrete, etc.) with side length not exceeding 500mm and compressive strength not exceedi...
The blockage reasons for sand making machine
2019 02 21 Click:265
The blockage is a common problem in the production of sand making machines. The reasons are as follows:1. The material has a large water content.If the material has large water content, it may stick to the sand making machine......