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Our Sales representatives are available from 7:00 am to 5:00 pm PST Monday Thru Friday. You will receive an email response from the associate who can best help you in minutes. You'll save time by calling the number provided below.


Corporate Office :


7575 JURUPA AVE
RIVERSIDE,
CA 92504
Phone: 951-354-0258
Fax: 951-688-0497
E-mail: info@hirelplastics.com






Business hours


Monday to Friday, 7:00 am to 5:00 pm














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ABOUT US

Hi-Rel Plastics & Molding, Inc. offers custom plastic injection molding and blow molding for all major industries. At Hi-Rel Plastics & Molding, Inc. we serve every facet of the molding process from part evaluation, 3D Printing, prototyping, tool design, tool making, sampling and production of quality finished plastic and metal parts. Our commitment to product quality, on-time delivery, and superior customer service has enabled us to forge strong.

Hi-Rel Plastics & Molding, Inc. processes an almost infinite variety of thermoplastic resins, including engineering grade materials such as PEEK, ULTEM, PVDF, LCP, PPS, PES, PC, PBT, ABS, NYLON, Glass Filled Nylon, ACETAL, PP, HIPS, HDPE, LDPE, ELASTOMERICS (TPE), POLYURETHANES, ACRYLIC, PVC and many other specialty filled / unfilled grades too numerous to list. Since we started the business in 1984, we've built partnerships with every customer on the basic business principles of integrity, responsibility and ingenuity.

Whether you’re looking for complex technical parts for medical, aerospace, military or scientific application or luxury item components for your high end customers, the mold designed & build by Hi-Rel Plastics & Molding are always very high precision.

With more than 35+ years of experience, our employees master technical & practical knowledge of design & building of molds for plastic parts. Our team has acquired a level of technical skill & problem-solving experience that guarantees the delivery of high quality products to our clients. Some of the parts we make here we have to meet tolerances of up to ± 0.001 inch in order to maintain a low rejection rate of less than one-half percent.

Our Capabilities Include:

  • PRODUCT DESIGN
  • 3D PRINTING / RAPID PROTOTYPING
  • MOLD/TOOL MAKING
  • INJECTION MOLDING
  • BLOW MOLDING
  • CLEAN ROOM MOLDING
  • MICRO MOLDING
  • LIQUID SILICONE MOLDING
  • INSERT MOLDING
  • OVER MOLDING
  • ROTATIONAL MOLDING
  • EXTRUSION MOLDING
  • RUBBER MOLDING
  • THERMOFORMING
  • METAL STAMPING
  • COIL MANUFACTURING
Value Added Secondary Services:

  • Plastics & Metal CNC Machining
  • In-Mold Decorating
  • Color matching
  • Pad Printing
  • Hot Stamping
  • Label Application
  • Heat Transfer
  • Sterilization
  • Ultrasonic Insertion
  • Ultrasonic Welding
  • Heat Insertion / Heat Staking
  • Adhesive Bonding
  • Metal Plating
  • Product Assembly Services
  • Custom Packaging & Shipping Services

EXPERTISE

We are well-known in our industry, not only for the top quality work we produce, but also for our ability to discover unique and effective solutions to customers' dilemmas. Such difficulties may lie in the areas of design or processing or somewhere in between. Our scope of knowledge is broad and covers many topics. these include, but are not limited to, plastic injection molding and blow molding needs, machinery, auxiliary equipment, molds and their components, resins, colorants and additives, processing parameters as well as the numerous types of interactions among these and other factors.

On many occasions through the years when our competitors have been unable to successfully produce a particular part, Hi-Rel Plastics & Molding, Inc. has triumphed. The depth and breadth of our expertise make us an invaluable resource for our customers. Our customers recognize our capabilities and continue to return to us for their custom injection and blow molding needs.
WHY US?

  • 35+ years of thermoplastic injection and blow molding experience.
  • ISO 9001:2015, AS 9100 Rev D, 13485:2016 Certified
  • ISO 7 (Class 10,000) Type Clean Room Manufacturing Space
  • Consistent high-quality parts at competitive prices.
  • Environmentally clean facility.
  • Engineering Solutions for demanding applications.
  • Encompass all of the offerings of the business. ( Part Design, Mold Making, Thermoplastic Molding, Electronic Assembly, Value Added Secondary Services)
  • We offer JIT ( KANBAN ) orders.
  • We utilize our own fleet of delivery vehicles to ensure accurate just-in-time delivery.
  • We invest in training associates through a full-time trainer and pay-for-knowledge training system to ensure associates continue to learn and maintain industry skill levels.
  • We are a team of dedicated Associates ready to serve your injection and blow molding needs.
  • Our quality is superb, price is competitive, and delivery is the best in the industry.
  • Hi-Rel Plastics Molding, Inc. is serious about providing customer service.


  • Our Capabilities Include:

    • PRODUCT DESIGN
    • 3D PRINTING / RAPID PROTOTYPING
    • MOLD/TOOL MAKING
    • INJECTION MOLDING
    • BLOW MOLDING
    • CLEAN ROOM MOLDING
    • MICRO MOLDING
    • LIQUID SILICONE MOLDING
    • INSERT MOLDING
    • OVER MOLDING
    • ROTATIONAL MOLDING
    • EXTRUSION MOLDING
    • RUBBER MOLDING
    • THERMOFORMING
    • METAL STAMPING
    • COIL MANUFACTURING
    Value Added Secondary Services:

    • Plastics & Metal CNC Machining
    • In-Mold Decorating
    • Color matching
    • Pad Printing
    • Hot Stamping
    • Label Application
    • Heat Transfer
    • Sterilization
    • Ultrasonic Insertion
    • Ultrasonic Welding
    • Heat Insertion / Heat Staking
    • Adhesive Bonding
    • Metal Plating
    • Product Assembly Services
    • Custom Packaging & Shipping