Custom Plastic & Rubber Parts You Can Rely On Since 1978

Injection Molding • CNC Machining • Rubber Molding • Mold Manufacturing • Assembly Services

At Jiangzhi, we specialize in custom plastic and rubber manufacturing solutions for global industrial clients. From mold design and prototyping to large-scale production, we help companies transform complex designs into reliable, high-performance components.

With over 40 years of manufacturing experience, our factory combines advanced automation, engineering expertise, and strict quality control to deliver precision parts for demanding industries worldwide.

Manufacturing Strength at a Glance

Combining advanced machinery, precision inspection, and decades of experience, we deliver reliable, scalable, and high-quality production for customers worldwide.

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Automated Factory

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Who We Are

A Reliable Contract
Manufacturer for Custom
Components

Jiangzhi is a full-service contract manufacturer specializing in custom plastic, rubber, and polyurethane components.

Founded in 1978 as a family-run workshop, the company has grown into a modern manufacturing facility with advanced automation and a global customer base. Over the decades, we have expanded from small workshop to a comprehensive manufacturing partner providing mold design, injection molding, CNC machining, and assembly services.

Today, Jiangzhi supports international OEMs and engineering teams by delivering precision components that meet strict technical and performance requirements.

Company Development Timeline

Comprehensive Manufacturing Technologies

We provide a wide range of manufacturing processes to support different product structures, materials, and production volumes.

Injection Molding

We produce high-volume rubber or plastic parts with consistent quality and efficient cycle times.

Overmolding

We combine multiple materials into a single part to improve functionality and reduce assembly steps.

Insert Molding

We integrate metal inserts directly into molded parts to enhance strength and assembly efficiency.

Compression Molding

We produce thick, high-strength rubber parts suitable for demanding structures.

CNC Machining

We machine high-precision parts with tight tolerances for complex and critical designs.

Cast Molding

We produce custom PU parts with excellent wear resistance and flexible design options.

How We Work With You

Starting a project with Jiangzhi is simple. Our streamlined workflow ensures efficient communication and reliable delivery timelines.

Our Factory A Modern Manufacturing Facility

We operate a 30,000 m² modern facility where our teams handle every step of production—from precision machining and molding to assembly—using advanced CNC machines, molding presses, and automated lines to deliver efficient, precise, and reliable results.

Why Global
Customers Choose Jiangzhi

40+ Years Manufacturing Experience

Our long history in the rubber and plastic industry allows us to quickly identify potential production risks and optimize designs for efficient manufacturing.

One-Stop Manufacturing Solution

From mold design to final assembly, we manage the entire manufacturing process under one roof, reducing communication complexity and lead times.

Engineering Support

Our engineering team works closely with customers to provide DFM feedback, material selection advice, and design optimization.

Scalable Production Capacity

Our automated production systems allow flexible manufacturing, supporting both prototype development and large-scale production.

Reliable Quality Control

Strict inspection procedures ensure that every component meets customer specifications and industry standards.

Start Your Custom Manufacturing Project Today

Looking for a reliable manufacturing partner for custom plastic or rubber components?

Our engineering team is ready to review your design and provide professional manufacturing solutions.

Upload your drawings today and receive a quote within 24 hours.

Jiangzhi Services

Plastic Injection Molding

Rubber Injection Molding