As a leading supplier of Injection, Blow Molding and Extruder screw barrel sets, JINYI has accumulated an extremely large database of prints, drawings, and factory OEM specifications through these 25 years manufacturing.
We design general-purpose screw barrel sets with the flexibility to run a wide variety of materials, as well as design and consult a custom screw to match your material needs. These designs incorporate mixing, improved output, low shear designs for heat sensitive plastics, venting, up-sizing and down-sizing injection units.
At the same time, JINYI continues to improve Quality Control System through precise inspection during every step of the production. With our excellent quality, we have already established long term cooperation with many well-known companies both in domestic and overseas. We are one of the first companies to implement the ISO9001 & SGS Certification in our field.