Plastic Injection Molding Services 

Custom Injection Molding with Customer-Supplied Molds

If your company already owns injection molds, you need a manufacturing partner that can deliver reliable, repeatable production. Our injection molding services are designed for manufacturers that provide their own molds and production specifications, allowing us to produce consistent plastic components while helping maximize your existing tooling investment.

Whether you're expanding production capacity, managing overflow work, or seeking a long-term manufacturing partner, we offer flexible injection molding solutions tailored to your production requirements.

Injection Molding Production Services

Injection molding is one of the most efficient methods for manufacturing high-quality plastic components with consistent accuracy and repeatability. Using your supplied molds and production specifications, we produce parts that meet your quality and performance requirements while supporting your production schedule.

Our injection molding services include:

  • Customer-supplied Molds
  • Contract Injection Molding
  • Production Manufacturing
  • Repeat Production Runs
  • Overflow Manufacturing
  • Repeat Production Runs
  • Short- and long-run Production
  • Custom Plastic Components
  • Production scheduling to meet customer demand
Plastic injection molding machine for manufacturing processes by Tri-State Metals.

Each project is reviewed to ensure your tooling, material requirements, and production specifications are properly supported throughout the manufacturing process.

Plastic Materials We Can Process

We work with a variety of thermoplastic materials based on your product requirements and supplied specifications, including:

  • Acrylonitrile Butadiene Styrene (ABS)
  • Polypropylene (PP)
  • Polyethylene (PE/ HDPE / LDPE)
  • Polyamide (PA / Nylon)
  • Polycarbonate (PC)
  • Polystyrene (PS)

Material selection is determined by your part design, performance requirements, and existing mold specifications.

The 400 Ton Nissei NEX7000 Injection Molding Machine is a high-capacity, all-electric molding system designed for producing precise, repeatable plastic components. With its 400-ton clamping force, it can handle larger molds and higher-volume production while maintaining strong part consistency, clean operation, and efficient energy use. Nissei’s NEX series is known for stable plasticization, advanced controls, and reliable molding performance, making it well-suited for custom parts, industrial components, and production runs that require accuracy and quality.

Nissei NEX7000 Injection Molding Machine Specifications

Capacity

400 Tons

Min. Mold Thickness

13.77"

Screw Diameter

71 mm

EJ Stroke

5.94"

Shot Size

47.54 oz.

Tie Bar Spacing

28.9"

Clamp Stroke

25.6"

Platen

41.5"

Max Open Stroke

52.7"

Min. Mold Size

20.5"

Max. Mold Thickness

27.1"

 

 

Supporting Manufacturers Across Industries

Our injection molding services support manufacturers across a wide range of industries, including:

  • Industrial Equipment
  • Construction
  • Agricultural
  • Consumer Products
  • Transportation
  • HVAC
  • Electrical Components
  • Commercial Products
  • OEM Manufacturing

Whether you need production support for an existing product or additional manufacturing capacity, we can help keep your supply chain moving.

Maximize the Value of Your Existing Tooling

Your molds represent a significant investment. By utilizing your existing tooling, we help you increase production capacity without the expense and lead time of building new molds.

Partnering with us can help you:

  • Increase manufacturing capacity
  • Support overflow production
  • Fulfill repeat orders
  • Reduce production lead times
  • Maximize the return on your tooling investment
  • Maintain consistent production quality

Our goal is to become a dependable extension of your manufacturing operation, providing the flexibility to adapt as your production needs change.

Quality-Focused Manufacturing

Consistent production requires more than quality tooling—it requires attention to process control and customer requirements. We focus on producing repeatable plastic components while maintaining clear communication, dependable scheduling, and responsive customer service throughout every project.

Request a Quote for Injection Molding Services

If you're looking for a manufacturer that provides contract injection molding using customer-supplied molds, we'd be happy to discuss your production needs.

Contact our team today to request a quote and learn how our injection molding services can support your overflow work, repeat production, and ongoing manufacturing requirements.

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