One-Stop Shop for Injection Molding, Tool Building, & Precision Machining.
ASPM Plastic Injection Molding, Minco Tool & Mold, and Minco Machining & Manufacturing – provide end-to-end support across the product lifecycle, from tight-tolerance machining and high-volume molding to complex tool builds and maintenance. Our integrated approach reduces risk, boosts efficiency, and ensures consistent quality for OEMs and Tier 1/2 suppliers in aerospace, defense, consumer appliances, energy, automotive, and industrial markets.
The Minco Group delivers with disciplined processes and decades of experience. Headquartered in Dayton, Ohio, our Midwest base provides national reach, combining technical excellence with responsive, grounded partnership.
ASPM Plastic Injection Molding
ASPM is The Minco Group’s high-volume plastic injection molding division, trusted by OEMs and Tier 1/2 suppliers across the Midwest for consistent, long-term production. Operating from a 202,000-square-foot, state-of-the-art facility, ASPM houses 80 injection molding presses ranging from 55 to 1,100 tons of clamp force. Equipped with the latest technology, ASPM delivers molded part solutions from simple components to complex assemblies across a wide range of markets.
Minco Tool & Mold
Minco Tool & Mold brings over 60 years of craftsmanship in injection mold design, build, and manufacturing. We provide complete plastic product management support for both domestic and global injection mold programs. Through continuous investment in advanced technology and deep technical expertise, we build high-precision molds for complex parts across demanding markets such as aerospace, defense, and automotive.
Minco Machining & Manufacturing
Minco Machining & Manufacturing provides precision machining for complex, tight-tolerance components across aerospace, defense, medical, and industrial applications. Our facility features 14 high-precision CNC machines, including advanced 5-axis milling and EDM systems, machining materials such as titanium, aluminum, graphite, and stainless steel. Working closely with customer engineering teams, we ensure manufacturability and repeatability, with every part validated using on-site CMM and metrology equipment. From prototypes to production, we deliver consistent, specification-driven results on schedule.
Commitment to Quality
Quality is a commitment at The Minco Group that every employee is expected to stand behind. We promise to provide the highest level of quality for each and every customer. Our proactive philosophy and hands-on leadership team follows clearly defined processes that ensure our dedicated team is continuously improving.
New Parts Qualification
Prior to release into production, each new part undergoes a qualification process that varies based on customer requirements, engineering complexity, and quality constraints. Qualification methods may include:
- First Article Inspection
- Production Part Approval Process
- First Part Approval
- Vendor Assessments
- Other Customer-Specific Approval Process
Quality Management
As part of our procedures, all of our quality equipment is maintained and calibrated, and our employees place a strong emphasis on problem solving, root cause analysis, and implementing necessary preventative actions to ensure projects run smoothly and efficiently. Our quality-focused processes incorporate LEAN production, 5-S methodology, and the expertise of trained Six Sigma Black Belts. We undergo bi-annual audits conducted by a team of well-trained internal auditors and consistently exceed ISO certification requirements, demonstrating our commitment to operational excellence and continuous improvement.
Advanced Quality & Measurement Capabilities
As part of our procedures, all of our quality equipment is maintained and calibrated. Our employees place a major emphasis on problem solving, root cause analysis, and necessary preventative actions to ensure that all of our projects are running smoothly and efficiently. With the latest equipment to comply with the most intricate specifications and tolerances, The Minco Group has the ability to:
- Push-Pull testing machine
- Coordinate Measuring Machine (CMM)
- Visions Coordinate Machine
- Gear Checking Capabilities
- Design of Experiments Capabilities (DOE)
- Poka-Yoke Devices
Our quality-focused processes include LEAN production, 5-S, and trained Six-Sigma Black Belts. We hold bi-annual audits by a staff of well-trained internal auditors, and we consistently exceed certification requirements
Careers
Our people are the foundation of everything we do – engineers, toolmakers, machinists, and operators who take pride in doing the job right, guided by a culture built on craftsmanship, accountability, and teamwork. We offer long-term stability, opportunities for technical growth, and a work environment where contributions are valued, whether you’re starting your career or advancing your expertise alongside others who take pride in building what matters.
Frequently Asked Questions
We support OEMs and Tier 1 / 2 suppliers across a variety of industries, including aerospace, defense, medical, automotive, and industrial sectors. We provide parts, tooling, molding, and machining expertise across the full lifecycle.
We’re headquartered in Dayton, Ohio, with a Midwest base that supports regional and national customers through fast turnaround and responsive service.
We back each program with documentation and compliance support, covering PPAP, FAIR, and maintenance traceability. Our ISO 9001:2015, ITAR, and IATF 16949:2016 certifications reinforce our disciplined approach, and our proactive communication ensures clear timelines and minimal surprises.
Yes. Our integrated divisions, Minco Tool & Mold and ASPM (Plastic Injection Molding), provide complete support from tool design and build through injection molding and maintenance.
We work with titanium, stainless steel, aluminum, graphite, and engineering plastics, offering precision machining with tolerances down to ±0.001”.
Typical tool build lead times range from 6–12 weeks, depending on complexity. We provide detailed timelines at project kickoff.
All parts and tools are validated using on-site CMM and metrology equipment, with full documentation for PPAP, FAIR, and revision traceability.
Yes. We offer tool maintenance, repair, and lifecycle support for both new and legacy tools.
Visit our Careers page to learn about opportunities.
From tight-tolerance machining and high-volume molding to complex tool builds and maintenance, we provide end-to-end support across the product lifecycle. Our integrated approach reduces risk, increases efficiency, and ensures consistent quality for OEMs and Tier 1 / 2 suppliers in aerospace, defense, medical, automotive, and industrial markets.