Zhejiang Jingzhi Machinery Co., Ltd.


Zhejiang Jingzhi Machinery Co., Ltd. is one of the domestic manufacturers specializing in the production of high-precision, high-quality barrels, screws and molds.

Founded in 1990, the company has a series of complete machining, heat treatment, dual alloy sintering, alloy spray welding equipment and corresponding complete testing equipment. Jingzhi Machinery is committed to providing customers with high-quality products and services. With advanced technology, strong strength, high-quality quality, and the principle of starting from all customers, the company makes refined brands a trusted name in the industry.

Learn More

Product Center


We have a strong R&D team, and we can develop and produce products according to the drawings or samples the customers offered.


We have two of our own foundries and processing plants,
Factory direct sales, high quality and low price.


We have our own laboratory and advanced testing equipment in the industry, to ensure product quality.


It can meet the production of different shapes, sizes and materials
Product development and production.


Our annual production capacity is over 20000 tons, we can meet the needs of different customers with different purchase quantity.


Products comply with international standards and are mainly exported to
Europe, America, Japan and other countries.

Contact Us

News Center

Screw repair and strengthening process steps


Screw The repair and strengthening of its processes are as follows: ...

See More

Extrusion screw maintenance content


During the non-stop operation of the extrusion screw, its internal parts inevitably wear out, ...

See More

Principles for the selection of the barrel and screw of the injection molding machine


1. Screw diameter (D) 1. The screw diameter should be proportional to the plastic...

See More