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No matter sand production line with several tons of thousands of hour-production or quarry plant will use primary crushers, especially in the cement industry water well drill rigs for sale, limestone is the main raw material of manufacturing cement, so that its demand is huge. Daswell primary crushers has not only powerful functions and high crushing efficiency, but the wear-resistant parts such as hammers, lining boards, plate hammer and rotor have stand up to the market test in cement industry and sand and stone industry, making them the first choice for limestone crushing in cement plant.Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:water well drilling rigs,If you are interested in our products, please contact us freely: sales@daswell.com Henan Daswell Mining Machinery Co., Ltd., a well-known cone crusher manufacturer, has been dedicated in producing highly efficient and large crusher machine, and the small jaw crushers researched and manufactured by our company mainly include new type of double curved surface deep-cavity small jaw crusher, ultrafine small jaw crusher and large small jaw crusher which are suitable for the coarse, medium and fine crushing of all kinds of rocks and ores such as limestone, shale, basalt, river cobble and bluestone.  The companies producing mining crushers in domestic market are not very few, and the types of crusher are also constantly improving and updating from primary crushers, rock mini impact crusher, mini hammer crusher machine, teeth roll crusher to rock cone crusher. However, primary crushers still have the widest application range, as no matter stone production line or quarry stone crushing will use primary small jaw crusher which is indispensable in the sand aggregate production line. In addition, till today, some new types of China small jaw crusher can carry out coarse, medium and fine crushing.