Gravel and sand production line with a rich tailings, pebbles, sand metal ores, has broad market prospects, the company after several years of development and application, has vibrating feeder, jaw crusher, impact crusher , vertical shaft impact crusher, sand washing machine, circular vibrating screen configuration "A sincere" series of products, designed for sand production line, suitable for highway construction, water conservancy, cement, metal mining and other industries. Gravel production line to meet the specifications of different rocks, yield, quality and processing, in line with local conditions, to optimize the investment scale to invest in order to obtain best value for money for the purpose of crushing and screening new or rebuilt equipment, the company can send to the scene to assist the user project feasibility. And is responsible for process design, equipment installation, commissioning, training of operators, maintenance workers, until all standards, delivery of production "key project."