Qingzhou Yongli Mining And Dredging Machinery Co.Ltd is leading company of China dredging and mining equipment. We are the professional manufacturer who has been dedicated in R&D, designing, producing, assembling and testing services. our main products include: Dredging machinery: cutter suction dredger, jet suction dredger,bucket chain dredger,backhoe dredger,amphibious dredger, drilling suction dredger. Rare metals mining equipment: Sixteen series and eighty specification of zirconium, gold, diamond mining equipment are available for customers reference.