Zhengzhou Great Machinery Co.Ltd, a high-tech company with deep technology background and strong work team and services in China. Our global team is dedicated to equipping our customers with the competitive solutions. Our business across the hydraulic screen changer melt filter melt gear pump, extrusion diesand plastie recycling granulator.,brGmach is a young and a rapidly growing company> it has a large number of sensior technicians and and full of passion and ambitious young people. the deep technical background and sense of responsibility work team determine it is standing on a high starting point. br