High value-added basalt ore aggregate production line
Basalt is a volcanic rock and its main components are silica, alumina, iron oxide, calcium oxide...
Kefid carefully designed for mechanism sand...
ARiver pebble is a kind of pure natural stone. During the forming process, it has experienced the impact of flash flood...
KEFID,a large ore processing and manufacturing company. Located in Zhengzhou City, Henan Province, China, it has been established for many years and is committed to the research of large-scale grinding machines, pursuing high-quality products and high-efficiency products.