Qingzhou Yongli Mining And Dredging Machinery Co., Ltd. is one of China leading professional manufacturer and supplier of dredging vessels and mining equipment that integrates scientific research, development, design, production, installation and commissioning, and personnel allocation services. Dredging vessels include: cutter suction dredgers, bucket wheel dredgers, jet suction dredgers, siphon sand dredgers, drilling suction sand dredgers, bucket chain sand dredgers etc. The mining equipment includes: floating production platform, bucket chain& jet suction& cutter suction gold/diamond dredger