



Custom Parts Manufacturing Capabilities
More than 17 years of experience in Metal injection molding &CNC machining, Since the establishment of the company, it has been the company’s basic pursuit to provide high-precision engineering plastic parts and metal parts. we have overcome technical difficulties in the processing of various metals and non-metals materials and accumulated a lot of high-precision machining experience, the processing accuracy of high-performance parts can reach +/-0.01mm.

Leam about Metal Injection Molding,acost-effective manufacturing process thatcreates small and complex custom metal parts

Learn about CNC Machining, a cost-effective manufacturing process that produces custom metal parts with precision and efficiency.
We want to make your product go better
And cheaper.And faster.And more profitable
This promise has been kept since our managing director Chris Chung came to mainland China more than 20 years ago from Taiwan. His family in Taiwan started MIM business since 1980s and was among the first pioneers in MIM industry.
His focus is on MIM and CNC machining business in China and expand business overseas.
Custom Parts Manufacturing Workflow
Discover how custom parts manufacturing workflow can help you streamline your production process. Improve your product quality with the most professional workflow at a market competitive price

Inquiry and Quotation
After the receipt of your inquiry, we totally understand your specifications for the custom parts and quote you an instantly competitive price.

DFM and Mold Flow Analysis
After the receipt of your inquiry, we totally understand your specifications for the custom parts and quote you an instantly competitive price.

Prototyping and Rapid Molding
We provide rapid molding, CNC machining, and 3D printing service for rapid prototyping. You can verify the feasibility and practicality of the design within 5 days.

Mold Making
We will design and manufacture molds according to the most reasonable process and mold structure. A superb mold is a premise of providing high-quality products.

Final Sample Confirmation
The final sample confirmation means the success of mold creating. And the prerequisite for mass production

Trial Production
An experienced manufacturer will conduct the small batch trial production to verify the stability and reliability of the custom parts manufacturing.

Mass Production
We continuously optimize the production process and implement the PDCA cycle in the process of mass production, in order to achieve the purpose of reducing production costs and improving product quality at the same time.

Quality Inspection and Transportation
Although the final product has gone through various strict processes, we still adopt a full inspection method to ensure the best quality and service.
Custom Parts Manufacturing PDCA System
The Custom Parts Manufacturing PDCA system applies the PDCA cycle to improve the custom parts manufacturing process. It spans design, engineering, production, and quality control, continuously refining each step for enhanced efficiency and quality.

Our Happy Clients!
KNOWLEDGE CENTER
Welcome to our Knowledge Center for the MIM and CNC Machining industries! Don’t miss out – download our resources today and take your knowledge to the next level!
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Get Free Samples Today
We offer free samples with freight collect, except in special circumstances. Experience the quality of our precision components firsthand and see how we can help reduce your procurement costs while maintaining high standards. Contact us to learn more about our offerings and start a partnership today.
Why Us
At Shanghai Junkun, we offer more than just custom metal parts. Our philosophy is to turn your ideas into real products while providing an unparalleled customer experience and technical support. With our rich industry experience and professional expertise, we help you improve production efficiency, reduce costs, and enhance the overall quality of your products. Contact us today to start your custom service journey!