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 Administration of Quality Supervision, Inspection and

Quarantine of the People's Republic of China, and are certificated by the Quality Management System Certification

(ISO9001:2008) because of our years of hardwork. Our company also gets the Certificate of Vessel Inspection authorized by

China MSA. For the jig machine, we applied acquired the letter of patent from State Intellectual Property Office of P.R.C. We

have honored for first-class products quality and excellent after-sale services by customers worldwide.

We always insist on the principles of honesty, mutual benefit, co-development and welcome to our factory for investigation

and business discussion. 
http://www.yldredge.com