Custom injection molding companies play vital roles in modifying product designs into unique and ready-made components. These companies deliver expertly crafted systems that can be tailor-made for various industries like medical, electronics, as well as automobile, and consumer goods.
The integration of advanced tools, quality materials, by skilled engineers helps companies guarantee consistency and accuracy in every mold they produce. If you need prototypes or bulk production, then the right custom injection molding manufacturer is key in ensuring the best product performance, cost and efficiency. The list below shows carefully selected top injection molding companies known for expertise and innovation.
Brief Overview of Custom Injection Molding Manufacturers
| Company | Area of Specialty | Services Offered | Why we Recommend Them |
| Fox Mold | Plastic injection molding, Overmolding, Insert molding, Liquid silicone rubber molding | Rapid prototyping, Mold design, Mold making, On-demand manufacturing | OEM and ODM production, customization of parts, and client-centered project management for both small and large-scale production. |
| RJC Mold | Custom and plastic injection molding and precision mold making | Mold design, CNC machining, overmolding, prototype testing, low and high-volume silicone rubber injection molding | Known for precision engineering, quality control for all parts, and strong export experience serving global industries. |
| Jason Mould | Custom plastic injection molding and low-volume manufacturing | Mold design, tooling, prototype production, and injection molding | Offers both low and high-volume runs with cost-efficient and tailored designs for diverse product types. |
| Eco Molding | Custom plastic injection molding and mold fabrication | Mold design, production tooling, injection molding, and product assembly | Known for cost-efficient production with a strong focus on quality, precision, and sustainability across small and mid-volume runs. |
| Sino-Mold | Injection mold design and large-scale mold manufacturing | Mold design, injection molding, export mold production, and system integration | Provides global-standard mold exports, with mastery in multi-cavity molds and optimized cycle time for industrial efficiency. |
| Ico Mold by Fathom | Custom injection molding, rapid tooling, and precision mold design | Mold manufacturing, CNC machining, production molding, and part finishing | Combines U.S. engineering oversight with multi-level production for high-quality, cost-effective solutions suitable for local and international markets. |
| Protolabs | Rapid prototyping and on-demand injection molding | Injection molding, CNC machining, 3D printing, and short-run part production | Delivers components faster than most competitors; suitable for design testing, small-batch manufacturing, and short-term projects. |
| Xometry | Custom injection molding, additive manufacturing, and CNC machining | Rapid prototyping, high-volume molding, finishing, and assembly | Uses AI-based quoting and an extensive manufacturing network to ensure speed, and flexibility in production. |
| Richfield Cooperation | Custom injection molding and mold fabrication for export markets | Mold design, plastic part manufacturing, assembly, finishing, and export | Consistent partner for companies outsourcing production from China. |
| MSI Mold | Custom plastic injection molding and precision CNC machining | Mold design, tooling, prototype injection molding, low-to-mid volume production, clients design verification before tooling | Known for Customer collaboration and design verification before production. |
Fox Mold Dongguan Co., Ltd.
Alt Text: Fox Mold Logo
Source: Fox Mold Website
Founded: 2013
Location: Dongguan City, Guangdong Province, China
Website: https://www.foxmolds.com/
Area of Specialty: Custom injection molding, Mold making and fabrication
Key Services: Plastic injection molding, overmolding, digital fabrication, silicone molding and precision tooling
Certifications: ISO 14001:2015, ISO 19001:2015
Fox Mold is China’s leading and trusted custom injection molding company, renowned for providing integrated plastic production solutions. Established in 2013, Fox Mold merges design and fabrication services under the same building to produce equipment for various industries. The production engineers use high-technology CD/CAM machinery, 3D printing with high-performance CNC centers to design molds with high-level precision.
What distinguishes them is their specialization in custom-made solutions. The molds are designed to suit clients’ requirements in terms of desired material, dimensions and operational efficiency. Fox mold also produces liquid silicone rubber (LSR) molding and 2-shot molding, which can be used to produce complex and composite parts. Overall, the company ensures quality control for the entire production cycle, and with its fast delivery and cost-effective solutions, Fox Mold is a top choice for brands seeking quality custom injection molding companies for their equipment.
Rating- 10/10
RJC Mold
Alt Text: RJC Mold Logo
Source: RJC Mold Website
Founded: 2002
Location: Shenzhen, China
Area of Expertise: Mold production, custom injection molding, precision injection molding
Core Services: CNC machining, precision injection molding, rapid prototyping
Certifications: ISO 9001, ISO 13485, IATF 16949, UL
RJC mold achieves precision engineering with modern technologies for production. Other services cover multi-cavity manufacturing, 5-axis CNC milling machines, EDM technology, automated molding technology, and rapid prototyping. With their various certifications, they ensure that all mold satisfies the requirements of all their partner industries.
They use digital quality control tools with necessary systems that ensure accurate precision, to maintain a strict in-house quality control process and assure consistency for all components. RJC’s international clientele, spread across North America and Europe, positions the company as a preferred choice for businesses prioritizing speedy delivery, adaptable production, and design optimization.
Rating- 9/10
Jason Mould Industrial Company Ltd. (DJ Molding)
Alt Text: Jason Mould Logo
Website: Jason Mould Website
Founded: 2010
Location: Huizhou City, China
Area of Expertise: Custom plastic injection molding (especially automotive injection molding), CNC machining, die casting
Core Services: Low-mass volume production, product assembly, mold design and production
Certifications: ISO 9001-2008, ISO 14000, TS16949
Jason Mould specializes in various kinds of mold design and precision plastic injection molding. The company incorporates a high-end CAD/CAM system and CNC machining to produce precise and consistent parts. Jason provides all-around production services, from developing design and prototyping to construction and post-molding operations.
The use of materials like ABS, PP, POM, and nylon helps the company meet diverse operational needs. Jason Mould not only focuses on low-volume injection molding, but they also offer high-volume production capacity for customers just starting up and those that are ready to expand their scope. With a high repute for precision and reliability, Jason has excelled as a trusted brand for clients in need of custom injection molding companies with good solutions.
Rating- 10/10
Eco Molding Co Ltd.
Alt Text: Eco Molding Logo
Source: EcoMolding Website
Location: Shenzhen, Guangdong, China
Area of Expertise: Custom plastic injection molding, mold manufacturing
Core Services: Mold design, tooling, injection molding, assembly, finishing
Certifications: ISO 9001:2008
Eco Molding has a reputation for supplying cost-effective and high-precision molding operations used in diverse industries. They provide comprehensive services like tool and part making, mold design, and assembly using modern technology like EDM system, CNC machines and injection presses that ranges from 50-1200 tons, allowing them to produce different sizes of equipment.
Eco Molding is unique in its customer-driven approach. The engineering and design team works with clients to make quality and low-cost designs, for manufacturability and high performance. Also, they are notable for sustainable environmental manufacturing processes, prioritizing material recycling and energy-saving practices.
Ratings- 9/10
Sino-Mold Industrial Co. Ltd.
Alt Text: Sino-Mold Logo
Source: Sino-Mold Website
Founded: 1999
Location: Chang’an Town, China
Area of Expertise: Custom injection mold design, injection molded parts for various industries
Key Services: Mold and part design, liquid silicone molding, over molding, and insert molding
Certifications: ISO 9001:2015, ISO 14001
With over two decades of experience, Sino Mold offers a full service in custom injection molding solutions, possessing an extensive skill set; from rapid DFM review and prototype molds, to injection molding, post-processing techniques (like printing and ultrasonic welds), and assembly. Sino Mold uses quality-precision machines like slow-wire cut, Swiss EDM, injection presses (50-1200 tons), to produce large volume, quality and accurate mold systems.
Beyond China, Sino Mold exports to other countries like Europe, North America, and Southeast Asia, following the right ISO and International quality standards. Their expert engineers communicate clearly with their clients, making them a trusted partner for customers who require custom injection molding solutions that meet both local and international standards.
Rating- 10/10
ICO Mold by Fathom
Alt Text: ICOMold Logo
Source: ICOMold Website
Founded: 2003
Location: Hartland, Wisconsin, USA
Area of Expertise: Custom injection molding, rapid tooling, low-cost global manufacturing
Key Services: Mold design, tooling, injection molding, CNC machining, finishing, assembly
Certifications: ISO 9001:2015, AS9100:2016, ITAR registered, NIST800-171
ICO Mold’s consultation process starts with a 30-second AI-powered quoting system that delivers instant cost estimates for custom injection molding molds and components. After this, the design is reviewed, the mold is built, and the product is validated and manufactured. Their service offers high-precision tool production, CNC machining, overmolding and plastic production. What makes them stand out is their hybrid approach; U.S.-based engineering and project management paired with affordable international production, thereby allowing their customers to enjoy transparent communication, quality control and streamlined procurement.
ICO Mold presents itself in delivering low-cost, high-quality custom injection molding suitable for prototypes and product roll outs, hence suitable for businesses in the US, that harmonize quality, low-cost and clear communication.
Rating- 9/10
Protolabs
Alt Text: Protolabs Logo
Source: Protolabs Website
Founded: 1999
Location: Maple Plain, Minnesota
Area of Expertise: Rapid prototyping, custom injection molding (short runs), on-demand manufacturing
Core Services: Injection molding, CNC machining, 3D printing, production services
Certifications: ISO 9001:2015, AS9100D, ISO 13485, ISO 14001, ISO 45001
Protolabs stands out for its highly automated manufacturing techniques that merge the use of advanced software with CNC machines and other injection molding procedures to produce intricately crafted pieces in real time, matching the speed of production. They are known for short-run mold production; to allow clients to use their designs without waiting longer for bulk production, making them a trusted partner for emerging small-scale businesses that want quality parts in a short time.
Protolabs uses an integrated digital system to run its production process, enabling it to reduce the time some traditional molding companies may require. In situations where quick design validation is needed and during speedy product launches, this digital system comes in handy.
Rating- 10/10
Xometry
Alt Text: Xometry Logo
Source: Xometry Website
Founded: 2013
Location: Maryland, USA
Area of Expertise: Digital manufacturing platform, custom injection molding
Core Services: Injection molding, CNC machining, additive manufacturing, on-demand production
Certifications: ISO 9001:2015, ISO 13485:2016, AS9100D, IATF 16949:2016, ITAR registered, CMMC Level 2
Xometry supports the full service of custom injection molding using 3D printing and CNC machining. With its digital platform, Xometry interfaces with a global network of professionals in the industry to provide quick and reliable manufacturing solutions. Their services encompass mold design, tooling, and production using durable materials like ABS, thermoplastic elastomers, and nylon, supported by an AI-driven quoting system that ensures faster pricing, accurate project estimates, and efficient turnaround times.
Xometry runs both small and large-scale production while maintaining precision and part quality. With their global spectrum, they can seamlessly manage companies on any continent.
Rating- 10/10
Richfield Cooperation
Alt Text: Richfield Cooperation Logo
Source: Richfield Website
Founded: 2001
Location: Dongguan, China
Area of Expertise: Custom injection molding, tooling for export markets
Core Services: Mold design/manufacture, injection molding of parts, finishing, assembly
Certifications: ISO 9001:2015, IATF 16949 (TS16949), FDA registration (for packaging)
Richfield focuses on exports of high-precision, large-dimension parts of custom mold designs and fabrication, and injection molding across Europe and North America. The company features the EDM and CNC systems, with injection presses that handle up to 1599 tons of compression force. Their equipment allows the use of high-capacity machines, multi-cavity molds with special processes like these robot-runner systems and overmolding.
Lastly, Richfield is certified with the ISO 9001:2015 standard, and they strictly adhere to international standards, helping them to understand the export market rules, while balancing cost with quality.
Rating- 9/10
MSI Mold
Alt Text: MSI Mold Logo
Source: MSI Mold Website
Founded: 2005
Location: Michigan, USA
Area of Expertise: Custom plastic injection molding and precision CNC machining
Core Services: Mold design and tooling, Prototype injection molding for rapid validation, precision CNC machining services (metal & plastic parts)
Certifications: ISO 900, ITAR Registered (for U.S. defense/regulated work)
MSI Mold carefully executes their client design by using prototype molds to verify their designs before the production begins. This is to avoid expensive revisions and smooth manufacturing processes. For over 20 years in the industry, MSI mold has positioned itself as a trusted brand for custom injection mold, especially for US-made injection molding.
Its all-American in-house production process allows operations to take place under one roof, hence promoting quick response to any design adjustment while maintaining quality control. Their skilled team uses an advanced design evaluation software to help their customers see how their components will function under everyday usage scenarios, setting them apart in the US manufacturing environment.
Rating- 9/10
Conclusion
In this article, we have highlighted a consistent pattern from these 10 companies: successful companies emphasize tooling capabilities, injection-production scale, trusted certifications and a global distribution mindset. Fox mold exemplifies these traits, through its holistic approach, export experience, and service commitment.Whatever design or industry you work with; medical device enclosure, automobile plastic components or electronic compartment, Fox Mold serves you adequately with quality cost-effective designs, delivered in lead-time. By choosing Fox Mold, you position your project for success in today’s fast-paced market. Contact us today!
