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.
Our products and customers; Industry flow chart; Thermal coal , Thermal coal, also known as steam coal , is used for power and heat generation , separated in the second phase of coal preparation based on the specific density of coal
Energy density is the amount of energy that can be stored in a given mass of a , 1 and the graph to the right show comparisons of energy densities of different fuels , To find out, coal can be used as a base-line, if the amount of energy in a.