Zhengzhou Great Machinery Co., Ltd.  

Zhengzhou Great Machinery Co., Ltd is a company focus on the design and research of hydraulic screen changer, melt gear pump and extrusion dies. Gmach is a young company but has a large number of senior technicians, the deep technical background and full of passion work team determine it is standing on a high starting point. We do not just supply you the products, but also provide the solution to solve the problem. We are committed to provide you the best products with ever improving design, strict production and quality control. Strong professional technical team provides you the perfect pre-sales and post-sales services. Gmach's mission: Commit to plastic extrusion field, develop the environment friendly product, create a well-known brand at home and abroadNow we have the following products1, Plate type hydraulic screen changer GM-SSP series2, Double plate type screen changer GM-DSP series3, Double piston type continuous screen changer GM-DP-R series4, Plate type continuous screen... [More Details...]