Plastic Injection Molding Service for Custom Parts

Produce plastic prototypes and build-to-order parts in as little as 3-5 days. Request an injection molding quote today.

Plastic Injection Molding Service

Boasting a decade of expertise in the realm of plastic injection molding, coupled with custom plastic mold creation and specialized parts, we excel in crafting precision injection molded components tailored for premium brands.

Our holistic offerings span from initial product conceptualization to precision mold crafting, injection molding, assembly, and dedicated post-purchase support.

CNC Machining Manufacturer

Equipped with 30 advanced injection molding machines ranging from 40 to 500 tons, we can adeptly work with diverse plastic types including PP, ABS, PC, PC/ABS, PA66, HDPE, PS, POM, ACRYLIC/PMMA, PVC, TPE, TPU, RUBBER, and beyond.

Our creations find their presence across sectors, be it home gadgets, electronics, medical equipment, or cosmetic packaging.


Injection Molding Materials


  • Polyethylene (PE)

    • LDPE
    • HDPE
    • UHMWPE
  • Polypropylene (PP)

    • Homopolymer
    • Copolymer
  • Polyvinyl Chloride (PVC)

    • Rigid PVC
    • Flexible PVC
  • Polystyrene (PS)

    • GPPS
    • HIPS
  • Polyethylene Terephthalate (PET)

  • Polymethyl Methacrylate (PMMA)

  • Polyamides (PA) - commonly called Nylons 

  • Polycarbonate (PC)

  • Acrylonitrile Butadiene Styrene (ABS)

  • Thermoplastic Elastomers (TPE)

  • Polyacetal or Polyoxymethylene (POM) - commonly known as Delrin.

  • Polybutadiene Terephthalate (PBT)

  • Polyether Ether Ketone (PEEK)

  • Polyetherimide (PEI) - known by the brand name Ultem.

Production Process


Material Warehouse


Molding Workshop


CNC Machining Center

Product Analysis

Product Analysis

iScreen Shoter - Google Chrome - 230822170810

Bulk Production


Quality Inspection


Product Assembly

Delivery Goods


Why choose Rally for Custom Injection Molding?


1. Quality Assurance: Rally guarantees top-notch products, thanks to our stringent quality controls. Every piece undergoes meticulous testing, ensuring consistent excellence and adherence to the highest industry standards.

2. Short Lead Times: Swift production is our forte. Rally commits to delivering your projects promptly, addressing urgent deadlines with unparalleled speed while maintaining our signature quality.


3. Experience & Expertise: Rally's seasoned team, backed by years in the industry, ensures precision and informed guidance. Our vast experience makes us the go-to experts in custom injection molding solutions.

4. In-house Design & Prototyping: Our dedicated in-house team transforms your concepts into realities. Rally's design and prototyping professionals work closely with you, streamlining the journey from idea inception to tangible product.


Quick Quote

Get An Accurate Quote For Your Projects. Send your 2D/3D drawings via online form.

  • Machined prototypes in 3-5 days
  • 60+metal and plastic material
  • 20+ surface finishes
  • Tolerances down to +/-0.01mm
  • Customized design based on drawing
  • Free samples before order confirmation
Click or drag files to this area to upload. You can upload up to 6 files.
Scroll to Top