MDi continues to design, engineer, and manufacture complete Hot Runner systems and components at our plant in Saint Charles, Illinois. Technical support is offered over the phone, online or on-site. We are a unique company in that in addition to providing new custom Hot Runner systems, we also retrofit our customer's non-performing systems.

  • Supplying world wide

Design & Engineering

Beverage PackagingMDi offers years of experience in designing and manufacturing precision Hot Runner systems and components. We partner with our customers working closely to understand their needs and requirements. MDi has earned a reputation for resolving difficult molding applications.

On-Site Manufacturing

Beverage PackagingAll our products are designed in-house and manufactured at our plant in Saint Charles, Illinois. This provides complete control over the manufacturing process which offers many benefits.

  • Quality control
  • Reduced cost
  • Flexibility to meet demanding delivery requirements
  • American made

Online/On-Site Support

Beverage PackagingOn-Site Customer Support:
MDi provides complete engineering, manufacturing and technical assistance services. In addition to telephone support, we can provide on-site start up service as part of our sales process. As all MDi systems are electrically tested for operational accuracy prior to leaving our manufacturing plant, most of our regular customers go ahead and do their own initial start up.

Online Support:


Beverage PackagingMDi has unique capabilities of retrofitting existing molds, ensuring smooth Hot Runner performance. We have helped our customers identify cost effective ways to modify their system to maximize performance and profits.

  • Repairing or re-configuring your system to maximize uptime
  • Replacing heaters, thermocouples, nozzles and their replaceable components
  • Troubleshooting leaks, heating issues, and flow problems