Qingdao Deyili Machinery Co., Ltd, located in International Airport Industrial Zone, is a hi-tech enterprise specialized in researching, developing, and manufacturing plastic extrusion equipments. It was entitled Enterprise of New Technology & Materials of Ministry of Construction, Qingdao Top Ten Hi-tech Enterprise, and Experimental Unit of Technology Venture Capital. Our core products are XPS foamed board extrusion line, XPS recycling machinery, HDPE double-wall corrugated pipe line, large diameter HDPE hollow wall winding pipe line, GRP continuous winding pipe production line(new), HDPE water and gas supply pipe line, HDPE silicon-core pipe production line, PA pipe production line, and other traditional PE/PVC/PPR/PA pipe lines. We are mainly exporting to Turkey, Russia, Ukraine, and East Europe. We have built up successful relationships with numerous overseas customers. Since foundation