... to transport assembled in the working site good quality .River Sand Bucket Chain Dredgers JLBCD40, 60, 80, 100, 120 ... , can complete the integrated procedure of digging, washing and separating sand from gravels. Parameters TypeBucketAmount.PontoonL*W(m)DredgingDepth(m ... dredger can be use in gold, iron selecting machinery, and sand washing, sieving machinery.The parameters are just for reference. ...