Profile: Shanghai Donglong Heavy Machinery Co., Ltd. is engaged in manufacturing and selling mining stone crusher, sand-making machine, grinder mill and other supporting facilities. We offer jaw crusher, impact crusher, cone crusher, crusher plant and grinder mill. Jaw crusher is widely used in stone mining, metallurgy industry, building material, highway, railway, water conservancy and chemical industries. Various materials with compression resistance less than 320MPa can be crushed. This series of jaw crusher can reach the crushing ratio of 4-6 and the shape of final product is even.