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,...