Zhongyun Group has been received very well with the advanced extrusion technology and the perfect performance of the equipments.
　　 As a top manufacturer, Zhongyun has devoted itself to development of new technology on machinery and electicity for many years, acting in close corporation with China Science and Research Institute, Tsinghua University and Beijing Chemical Industry University. There are more than ten advanced key technologies and 30 patents developed in Zhongyun.
　　 Many awards were conferred for the technologies and extrusion lines for PE/PP/PVC Double Wall Corrugated Pipe, Al-plastics Composite Pipe, PP-R Pipe, One Step PEX Pipe and UHMW-PE Pipe.