SKY Mining and Construction Machinery Co., Ltd. is a hi-tech, engineering group. We are specialized in the research, development, and production of industrial crushing, powder grinding, mineral processing equipments and other related devices. Our products have been sold to 120 countries and areas of Southeast Asia, East Europe, South America, the Middle East and Africa etc, and more foreign markets will be promoted in future.
We hold "Pursuing the Technology and Quality" as our management concept all the time. Relying on absorbing world leading crushing and powder processing technology, advanced management and quality control system, as well as our full efforts, SKY has earned high reputation among our customers.
3 Mar 2013 , The research on utilization of manganese slag has been a hot spot around the , from manganese slag with the addition of quicklime and cement , The experimental quicklime containing 765% of active calcium oxide is.
Magnesium oxide, or magnesia, is a white solid mineral that occurs naturally as periclase and , magnesia negra, a black mineral containing what is now known as manganese , If too much MgO is added, the cement may become expansive