The cone crusher of this series is suitable for crushing various mid-hard and above mid-hard ores and rocks. This cone crusher has the advantage of reliable construction, high productivity, easy maintenance and less cost in operation. The spring release system of crusher acts as an overload protection system that allows foreign iron pieces to pass through the crushing chamber without damages to the crusher. Cone crusher uses the two kinds of sealed forms: dry oil and water to separate rock powder from engine oil, assuring reliable performance. This type of crushing chamber depends upon the size of feed and fineness of the crushed product. The standard type is applied to medium crushing. The medium type is opposed to medium or fine crushing and the shorthead type is applied to fine crushing.