Qingzhou JuLong Dredging & Mining Machinery Co.,Ltd . Our company is a professional manufacturer of dredgers with 23 years experience. we can design and fabricate 6 inch to 20 inch cutter suction dredger according to clients requirement, Our main equipment include 6 inch to 20 inch cutter suction dredger,bucket chain dredger,gold dredger,gold mining machine,weed cutting ship and so on.