JLBCD40、60、80、100、120 series bucket chain dredgers havegood ability to fit different kinds of geologic structure. With the advantagesof stable performace, long working life , low cost , high efficiency and littlemaintenance , bucket chain dredger is suitable for sand digging from river orlake . this kind of dredger can also be used in salt mining ,offshore dredging,hard riverbed exploiting and channel cleaning. The pure sand after being sievedand washed by the dredger is  widely usedin construction industry.Bucket chain dredger can beequipped with ore mining machinery for gold selection or iron separation . themachinery has the features of automatic work, good extraction rate and highcapacity.