zenith cone crusher is suitable for crushing various mid-hard and above mid-hard ores and rocks. it is with advantages of reliable construction, high prod activity, easy adjustment and low cost in operation. the spring release system of zenith cone crusher acts an overload protection system that allows chunk to pass through the crushing chamber without damage to the crusher; two kinds of sealed formation dry oil and water are used. it separates plaster stone and engine oil, reliable performance ensured. cone crusher features: 1) high quality and productivity 2) off time shorten 3) easy maintenance, low expense 4) unparalleled in medium and fine crushing