HQ - 1280 Rose Road Lake Zurich, Illinois, USA
+1 847-353-8300
+1 847 353 8900

Injection Molded Plastics

Molding the Shapes of Things to Come

Eastek offers a full range of thermoplastic resin solutions with a wide variety of secondary options – all in-house and all customization to your standards. Eastek engineers and 60+ full-time tool and die makers provide continuous support throughout the process. Injection molding is part of the fully customizable Eastek Single Source Solution.

With our history in providing high-quality tools to various American, Europe, and Asian medical, industrial, and automotive industries, our plastic injection tool and foreign management working philosophy are both superior in delivering a quality product and at giving our customers the right cost-advantage.

Our efficient injection mold manufacturing procedures also include rapid prototyping before our highly experienced design teams designs the mold according to your designated specifications. Having a skilled team managing will guarantee efficiency, thereby allowing you to enjoy quick turnaround time and convenient turnkey manufacturing solutions. As down time will incur significant losses, our proficient plastic injection molding operations will relieve you of the possibility of unnecessary additional costs.

Huge advantage to Eastek: Our tooling shop exceeds what you would ever expect of a contract manufacturer of our size.

Eastek fully understands that all our clients require different specifications, have dissimilar working styles, and standard protocols. We thus ensure that our services follow closely to your designated configurations, allowing you to acquire nothing but a satisfying experience with us.


Here at Eastek, we also provide cost-effective yet high-quality, injection molding services. This is because we always insist on building the injection mold ourselves to ensure good-quality molding results. Eastek operations are unfailing and highly customized to our customers’ manufacturing needs.

Injection Molding Snapshot

  • 2013 Running 31 Molding Machines at 62%
  • 2014 Running 38 MoldingMachines at 68%
  • 2016 39 Injection Molding Presses
  • Molding Range 50 to 550 Tons
  • Insert Molding & Over-molding
  • Multi-shot & Rotary Table Presses
  • Vertical & Horizontal Passes
  • Prototype Single Cavity Mold fabrication*
  • Secondary Products Done In-house
    • Silk Screening | Pad Printing | EMI Shielding

*21 Days From Part Design Approval To Delivery

Injection Molding Facilities

  • White room and general purpose molding option
  • Molding presses from 50  to 550 tons
  • Multi-shot and rotary table machines

Eastek Materials and Processes

  • Proven experience with most thermoplastic resins
  • On-site color matching
  • On-site metrology laboratory
  • FDA 21CFR820 compliant process validation and traceability
  • Custom built assembly solutions for your products
  • Cosmetic finishing including:
    • Spray painting
    • EMI shielding
    • Pad printing
    • Silk screening
    • Hot stamping
    • Heat staking
    • Ultrasonic welding
    • Kit packaging
  • Turnkey Assembly
  • Retail packaging design and production
  • Just-in-time delivery


To help with cost-savings, Eastek also offers our clients tool and mold inserts manufacturing services. For a smooth manufacturing transition, our inserts are always checked in depth by our QA/QC team in between manufacturing and prior to shipment. This is made possible with our highly sophisticated measuring equipment. Our tool inserts manufacture solution assure you of high cost-savings, and first-rate inserts that will fit perfect with your mold base.

Eastek will not only ensure you one of the most cost-effective mold manufacturing processes outsourced but also assure you of top-quality injection molded parts produced.

Other high-precision as requested by our customers are also done to precision and quality-assured by our QA/QC team. At Eastek, a detailed dimensional report can be requested and done because we have in our plant, QA/QC machines, and facilities.

Our skilled die makers produce top quality cutting dies to make precision parts, even on prototype tooling. The ability for fast turnaround keeps your project on time and your costs down. Our in-house tooling and die capabilities allow us the flexibility to continually make improvements without sacrificing your delivery date.

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