Qingzhou Yongsheng Sand-digging Machinery Co., Ltd.established in 1990, it is the first professional manufacturer which develops and produces sand-digging machinery, sand making dredging mineral processing machinery Qingzhou. Since we have been ...

Shandong Highling Dredge Equipment Co., Ltd was established in 1992. the dredger we produced is self-propelled or non hydraulic cutter suction dredger. Dredger size from 6inch to 24inch, dismantle type and can be assembly at work place, water flow 600m3/h ...