... is widely used for mining, sand production, reclamation construction, desilting, land reclamation and so on. Rotary reamer device is ... low cost, a good underwater dredging machine. Applications:Rivers, lakes, sea operations for the dredging, mining waterways, etc. ... operation. The most advanced PLC control system. Technical parameters: ITEMParameterTotal length36.6mHull width6.0mHull height2.0mMain ...