Zhengzhou Gurnay Improt and Export Co.,Ltd although registered as trading company, we based on our factory Gurnay Machinery as supporting. Mainly manufacture kinds of extrusion equipment like melt pump, screen changer, granulator and so on which is widely used on kinds of plastic production lines. Having more than 20 years experience engineers and advanced high-precision machinning equipments, heat-treatment and many different equipment and instruments, all these can insure the product quality to meet high requirements of processing technology.