Qingzhou Yongsheng Dredging Machinery Co.,ltd

qingzhou yongsheng dredging machinery co., ltd. was established in 1990. our company is the first professional manufacturer which develops and produces sand-digging machinery, sand making machinery, dredging machinery, and mineral processing machinery in qingzhou. since 1990, we have taken scientific and technological innovation as new concept. our products are of superior quality and favorable prices and excellent in workmanship which meets the great favor of customers from at home and abroad. the products of our company are sand-digging machinery, mineral processing machinery, sand washing machines, sand pumping ships, auto-load and auto-unload sand transporting ships, iron extraction machinery (water election, dry election), gold mining ships, high standard sand washing machinery, sand making machinery, transport ships, stone crushing machinery, large and medium-sized dredging ships, and sprinkling irrigation ships. we have a dozen of series with more than 80 kinds of products for y