Plastic and Rubber Injection Molding Manufacturers
As a china leading injection molding manufacturer, Jiangzhi specializes in high-quality plastic and rubber parts, delivering cost-effective, precision-engineered solutions.
From prototyping to mass production — trusted by 5000+ global clients.
Upload Drawing for Quote
Comprehensive Molding Service & Solutions
Jiangzhi specializes in one-stop molding and manufacturing services, supported by advanced precision technology and flexible production expertise. With over 40 years of experience, our proactive approach and reliable delivery have helped us produce thousands of unique metal and plastic parts for clients worldwide.
- Volume-produce
- Complex designs
- Minimal material waste
Injection Molding
- Multi-Cavity Capable
- Lower cost, longer cycles
- Strong, thick-walled parts
Compression Molding
- No mold required
- prototypes & small runs
- Metals & plastics
CNC Machining
- Permanent mold casting
- Nylon & polyurethane
- Durable, wear-resistant parts
Polyurethane Casting
How to Work with Us?
Ready to turn your design into reality? Our simple step-by-step process makes it easy and secure to start. Upload your CAD file today, receive a custom quote with professional design feedback, and move quickly to production so your parts are delivered on time with quality guaranteed.
Upload a CAD File
Submit your drawing files securely. We ensure clear communication and privacy throughout the process
Start a Project
Quote & Design Analysis
Get a custom quote and a DFM report to ensure precision and manufacturability.
Manufacturing Begins
Once confirmed, we select the best suitable molding process and start production, with customizable finishing options.
Parts Shipped
On-Time
Your parts are shipped securely worldwide, with tracking and optional assembly services.
Design and Engineering Support
- Material Selection Support
- Custom Mold Design
- Process Optimization
- Prototype Development
- Manufacturing Technical Support
- Quality Control & Testing
For inquiries, please email us at sales@swcpu.com
.
We’ll get back to you within 12 hours.
Strong Capacity
- Precision Manufacturing at Scale:
Delivering millions of high-accuracy parts with a 99% defect-free rate. - Versatile Production Capabilities:
Custom molding for 15+ industries, manufacturing 50,000+ parts monthly. - Efficiency & Reliability:
With decades of experience, we proactively address challenges, ensuring seamless production, minimal errors, and on-time delivery. - Cutting-Edge Facilities:
Equipped with advanced machinery and large-scale capacity to meet complex manufacturing demands.
Drawing on years of experience as a china injection molding manufacturer, we proactively identify potential production issues and provide reliable, efficient solutions that minimize errors and delays.
Professional China Injection Molding Service Manufacturer
Improve production efficiency and choose efficient injection molding solutions!
Get Your Personalized Report
About Jiangzhi Injection Molding Manufacturer
Jiangzhi’s Evolution: 40 Years of Innovation and Grow. We continue to innovate, delivering precision and reliability in every product we create.
Years Industry Experience
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Square Meters Automated Factory
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Shaping the Future of Molding Solutions
Founded in 1978 as a family business, Jiangzhi started with a focus on local markets and cable manufacturing. Over the years, we expanded into customized rubber and plastic component production, and by 2008, we entered the global market with a commitment to delivering high-quality solutions. Today, Jiangzhi has grown into a 30,000-square-meter automated factory, equipped with state-of-the-art machinery to support a wide range of manufacturing needs.
We specialize in precision injection molding and custom rubber and plastic solutions for a wide range of industries. Our experienced team works closely with clients to turn complex designs into high-quality, reliable components.
Get a Quote
About Jiangzhi
Full-process Service Capabilities
At Jiangzhi, we provide comprehensive one-stop services, covering everything from mold design and production to assembly and packaging.
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DFM (Design for Manufacturing)
We optimize your product for manufacturability, reducing costs and production time in the injection molding process.
Mold Design & Manufacturing
Our team designs and produces durable, high-quality molds for all your molding needs, ensuring precise results every time.
Surface Treatment
Specialized in mold surface treatments such as polishing, texturing, and coating to enhance part quality, improve demolding efficiency, and extend mold lifespan.
Assembly Services
We offer both automated and manual assembly solutions, streamlining the production process for your custom plastic contract manufacturing projects.
Quality Management
Rigorous quality control ensures each part meets strict standards, giving you reliable, defect-free results.
Packaging & Delivery
We use secure packaging to protect products in transit and offer flexible shipping for timely, cost-effective delivery.
DFM (Design for Manufacturing)
We optimize your product for manufacturability, reducing costs and production time in the injection molding process.
Mold Design & Manufacturing
Our team designs and produces durable, high-quality molds for all your molding needs, ensuring precise results every time.
Surface Treatment
Specialized in mold surface treatments such as polishing, texturing, and coating to enhance part quality, improve demolding efficiency, and extend mold lifespan.
Assembly Services
We offer both automated and manual assembly solutions, streamlining the production process for your custom plastic contract manufacturing projects.
Quality Management
Rigorous quality control ensures each part meets strict standards, giving you reliable, defect-free results.
Packaging & Delivery
We use secure packaging to protect products in transit and offer flexible shipping for timely, cost-effective delivery.
Trusted by Industry Leaders
We’ve had the privilege of working with industry leaders across various sectors. Here’s what our clients have to say about us:
Bill Anderson
–Product Manager
Jiangzhi is really an expert in the sealing industry. Their engineers are so helpful and cooperative. They proposed awesome solutions for our products and helped us select and design the sealing materials, significantly improving the service life of our product line. Highly recommended!
Ethan Reynolds
–Supply Chain ManagerWe were struggling to find reliable injection molding company who could also handle CNC machining and casting. Managing multiple suppliers for different processes created delays and increased costs. Since partnering with Jiangzhi, everything has been streamlined, and we’ve gained a reliable one-stop solution for our manufacturing needs.
Dylan Patrick
–Project Manager
We are thrilled to work with Jiangzhi. We were able to promptly launch our products onto the market thanks to their excellent assistance in resolving the product design flaws. In the future, we’ll work together again on new projects.
Jessica Palmer
–Procurement Coordinator
Working with various suppliers for injection molding, CNC, and casting always led to communication breakdowns and production delays. After switching to Jiangzhi, we’ve seen a dramatic improvement. As trusted injection molding manufacturers, you’ve made our production process much smoother and more efficient.
Sanjeev Mehta
–Purchasing DirectorWe have established a cooperative relationship with Jiangzhi for many years. The stable quality and delivery time make us purchase from their factory with confidence. Now almost all of our rubber and plastic products are produced by them.
Michael Brooks
–CPO
Our business depends on precision and quality, and finding injection molding manufacturers who can also handle other processes like CNC and casting was always a challenge. Your team’s ability to manage it all has improved our timelines and overall product quality. We now rely on you as our go-to manufacturing partner.
Bill Anderson
–Product Manager
Jiangzhi is really an expert in the sealing industry. Their engineers are so helpful and cooperative. They proposed awesome solutions for our products and helped us select and design the sealing materials, significantly improving the service life of our product line. Highly recommended!
Ethan Reynolds
–Supply Chain ManagerWe were struggling to find reliable injection molding company who could also handle CNC machining and casting. Managing multiple suppliers for different processes created delays and increased costs. Since partnering with Jiangzhi, everything has been streamlined, and we’ve gained a reliable one-stop solution for our manufacturing needs.
Dylan Patrick
–Project Manager
We are thrilled to work with Jiangzhi. We were able to promptly launch our products onto the market thanks to their excellent assistance in resolving the product design flaws. In the future, we’ll work together again on new projects.
Jessica Palmer
–Procurement Coordinator
Working with various suppliers for injection molding, CNC, and casting always led to communication breakdowns and production delays. After switching to Jiangzhi, we’ve seen a dramatic improvement. As trusted injection molding manufacturers, you’ve made our production process much smoother and more efficient.
Sanjeev Mehta
–Purchasing DirectorWe have established a cooperative relationship with Jiangzhi for many years. The stable quality and delivery time make us purchase from their factory with confidence. Now almost all of our rubber and plastic products are produced by them.
Michael Brooks
–CPO
Our business depends on precision and quality, and finding injection molding manufacturers who can also handle other processes like CNC and casting was always a challenge. Your team’s ability to manage it all has improved our timelines and overall product quality. We now rely on you as our go-to manufacturing partner.
Injection Molding Manufacturers Support & Resources
Don’t get your answer? Let’s jiangzhi answer for you!
Write Your Question
How quickly can I receive a quote?
Simply upload your CAD files, and we’ll provide an instant quote within 24 hours. Our fast response time helps you make decisions quickly and confidently.
What’s the minimum order quantity (MOQ) for your services?
We offer flexible options with no minimum order requirement for prototypes or small runs. Whether you need a few parts or larger production volumes, we tailor our services to meet your needs.
Can you meet tight delivery deadlines?
Absolutely! We specialize in fast turnaround and can adjust production schedules to meet urgent deadlines. Let us know your timeline, and we’ll make sure you get your parts on time, without compromising quality.
How can I be sure the parts will meet my quality standards?
We use state-of-the-art inspection equipment and follow strict quality control processes at every stage of production. Plus, we provide sample approval before mass production, so you can confirm everything is to your satisfaction.
What happens if I need revisions during the project?
We’re here to help! If you need design adjustments, our design team will work with you to implement revisions quickly and seamlessly. Our goal is to ensure the final product meets your exact requirements.
How do I place an order, and what’s the payment process?
Once you’ve received your quote and confirmed your design, simply confirm the order online. For payment, we accept a variety of secure options, and our team will guide you through the entire process for a smooth experience.
Do you offer any guarantees or warranties on your products?
Yes! We offer a quality guarantee on all our parts. If there’s any issue with your order, we will rework or replace the parts as necessary to ensure your satisfaction.
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