Spring cone crusher of Shanghai Longyang Machinery Factory is the digestion and absorption of the countries with the international advanced level in the 80 s developed on the basis of all kinds of cone crusher. It with the traditional structure of cone crusher was obviously different in design, and focus on the known so far the main benefits of each type of cone crusher. Suitable for fine crushing and super fine crushing hard rock, ore, slag, refractory materials, etc. Spring cone crusher made in Shanghai Longyang Machinery Factory, which could raising efficiency in rock-crushing. To adopt the technics of with high concave and mantle after machining process to connect with cone surface to instead the anciently complicated technics, fully ensure the safety and stability during operation. And it is applicable to break various ores and rocks with high hardness, lower running cost and widely used in metallurgical mining, architectural, road & railway building, etc. It's ideal for secondary crushing.