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 abroad

Now we have the following products

1, Plate type hydraulic screen changer GM-SSP series

2, Double plate type screen changer GM-DSP series

3, Double piston type continuous screen changer GM-DP-R series

4, Plate type continuous screen changer GM-R series

5, Automatic screen changer GM-ACB series

6, Large filtration area continuous screen changer GM-DP-L series

7, spinning pump

8, extrusion melt gear pump

9. Chemical pump

10, plastic recycling machine

11, plastic granules making machine pelletizing line