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.
, Consortium of Investigative Journalists (ICIJ) and Germany's Süddeutsche Zeitung newspaper, , How are the diamonds from BSGR's Koidu mine valued? , Despite active diamond mines and money in its parent companies, Koidu Holdings.
The Sperrgebiet (German, meaning "Prohibited Area is a diamond mining area in southwestern , The owner of the mine, De Beers (see The Case of the Disappearing Diamonds 1987 TV documentary), had total control of the area until the.