Qingdao Deyili Plastic Machinery Co., Ltd. is a hi-tech enterprise specialized in researching, developing, and manufacturing plastic extrusion equipments located in International Airport Industrial Zone. 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”. Since its foundation, Deyili has been persevering in technology innovation and devoted to R&D and applications of new machinery, new technology and new technique. We has an excellent technical team and keeps close cooperation with many technology institute and universities. At present, Deyili owns 28 National Patents, 14 items supplied domestic gap and 6 items are “National Key Products”. We ..