
Posi-Melt™ Multipurpose Screws
- Un-tangential Flight Geometry
- Enhanced Melt Quality
- Faster Material Changeovers








US Patent Protected
Manufacturing Excellence
Professional hydraulic plastic injection molding machines and components designed for precision manufacturing. Our comprehensive range includes shut-off valves, plasticating systems, and mixing screws engineered to deliver superior melt quality, consistent shot control, and enhanced productivity for injection molding operations across automotive, medical device, and consumer electronics industries.
Talk to our experts for custom solutions and tailored guidance.
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What size range of injection molding machines do these components support?
Our components support machines from 14mm to 260mm diameter, covering small to 400+ oz capacity machines.
How do the patented shut-off technologies improve injection molding operations?
What materials are compatible with MD Plastics injection molding components?
Can existing injection molding machines be retrofitted with these components?
What is the expected service life of MD Plastics injection molding components?
Do you provide custom engineering solutions for specific injection molding applications?
What technical support is available for installation and operation?
Talk to our experts for custom solutions and tailored guidance.

Precision injection molding components for automotive plastic parts requiring consistent quality and durability.

Sterile plastic components and precision molding for medical devices with strict quality and safety standards.

High-precision plastic housing components and electronic enclosures manufactured with tight tolerances.

Heavy-duty plastic processing for industrial applications requiring robust components and consistent output.
Talk to our experts for custom solutions and tailored guidance.



Eight patents including Mini-Shut™, Posi-Melt™, and Inject-EX™ technologies that revolutionize injection molding performance and efficiency.
Founded in 1999 by Mike Durina with decades of plasticating expertise, serving leading manufacturers like Foxconn and Boston Scientific.
Direct consultation with founder Mike Durina for personalized system design, optimization, and technical support worldwide.
Connect with our engineering team for custom system design, technical specifications, and pricing. Quick response guaranteed.
For immediate assistance, feel free to give us a direct call at 3304825100 You can also send us a quick email at info@mdplastics.com
For immediate assistance, feel free to give us a direct call at 3304825100 You can also send us a quick email at info@mdplastics.com