Zhengzhou geat machinery co., ltd is a high-tech company which integrate R&D, design, and manufacture. The GMACH produce various kinds of high-quality screen changer, metering gear pump, underwater pelletizing system, extrusion dies. Our products are exported to Taiwan , Japan, the United States, Turkey, Mexico, Brazil, Russia, India, Malaysia, Vietnam, Iran and other countries and regions and received high praise by our customer.