For sand production,four genres of dredger can be used (1) Cutter Suction Dredger (2) Bucket Chain Dredger (3) Subme For sand production,four genres of dredger can be used (1) Cutter Suction Dredger (2) Bucket Chain Dredger(3) Submersible Pump Dredger(4) Hopper Sand Dredger Cutter Suction DredgerBucket DredgerSubmersible Pump DredgerHopper Sand DredgerCapacity Range100-600 m3/h 100-600 m3/h50- ...