Qingzhou Yongli Mining And Dredging Machinery Co.Ltd, located in Qingzhou city---one of the Nine Ancient Cities in China, is leading company of China mining equipment. We are the professional manufacturer who has been dedicated in R&D, designing, producing, assembling and testing services. Being established in 1990, our main products include: Rare metals mining equipment: Sixteen series and eighty specification of zirconium, gold, diamond mining equipment are available for customers reference. Also variational products could be customized as per different requirements and terrain conditions. Big models of desilting and dredger machine: cutter suction dredger, amphibious dredger, drilling and suction dredger. Successful YONGDELI series of products have won the approval by General ..