What are the opening hours?

Monday 8am - 4:30pm Tuesday 8am - 4:30pm Wednesday 8am - 4:30pm Thursday 8am - 4:30pm Friday 8am - 4:30pm

Hi-Rel Plastics & Molding, Inc.

Name: Hi-Rel Plastics & Molding, Inc.
Address: 7575 Jurupa Avenue, Riverside, CA, 92503, US
Telephone: (951) 354-0258

Home
United States
Riverside, CA
Hi-Rel Plastics & Molding, Inc.

Custom Plastic Injection & Blow Molded Products Manufacturer.

Thermoforming, Vaccumforming, Rotational molding, LSR injection molding, Cleanroom capabilities, Design & Engineering, mold/tool making, 3D printing, prototyping, product assembly services.

08/11/2026

From housings and connectors to sealed keypads, electronics products require manufacturing processes tailored to each application's performance, durability, and design requirements.

Hi-Rel Plastics supports electronics manufacturers with custom plastic molding solutions. We provide injection molding for precision enclosures, connectors, and structural components, blow molding for lightweight housings, LSR molding for seals, gaskets, and keypad components, and thermoforming and vacuum forming for larger housings, covers, and protective panels. Every solution is engineered for precision, reliability, and consistent performance.

Request a quote today.
🌐 https://www.hirelplastics.com/

08/06/2026

When mechanical fasteners aren't the right fit, adhesive bonding offers a clean, reliable way to join components.

As part of our value-added secondary services, Hi-Rel Plastics provides adhesive bonding that creates strong, precise, and durable bonds for assemblies across the medical, automotive, electronics, and industrial markets.
Contact our team to learn more.

🌐 https://www.hirelplastics.com/

08/04/2026

Great products start with getting the design right.

Hi-Rel Plastics' 3D printing and rapid prototyping services help customers validate form, fit, and function before investing in production tooling, reducing risk and shortening time to market. From medical devices to aerospace, automotive, and consumer products, rapid prototyping helps teams move from concept to confident production faster.

Let's discuss your next project.

🌐 https://www.hirelplastics.com/

07/30/2026

Precision matters when it comes to complex components.

Hi-Rel's plastic and metal CNC machining capabilities deliver tight tolerances, consistent quality, and reliable performance for applications across medical, aerospace, automotive, industrial, and consumer markets.
Learn more about our manufacturing capabilities.

🌐 https://www.hirelplastics.com/

07/28/2026

When quality and consistency are critical, controlled environments matter.
Hi-Rel Plastics provides cleanroom assembly and packaging services for sensitive medical and laboratory applications, helping customers maintain product integrity throughout the manufacturing process.

🌐 https://www.hirelplastics.com/

07/23/2026

Did you know that plastics help reduce overall carbon emissions in many industries?
Lightweight plastic components can improve fuel efficiency, packaging can help reduce food waste by extending shelf life, and advancements in recycling continue to support a more sustainable future.

🌐 https://www.hirelplastics.com/

07/21/2026

We're heading to ADLM 2026!
From July 26-30 in Anaheim, CA, the ADLM Annual Meeting & Clinical Lab Expo (July 28-30) will bring together leaders in diagnostics, laboratory medicine, and medical technology from around the world. Hi-Rel Plastics & Molding is excited to be part of the event and connect with innovators shaping the future of healthcare.
If you're attending, stop by to learn how our precision plastic manufacturing, cleanroom molding, and medical device manufacturing capabilities help support today's most demanding laboratory and medical applications.
We look forward to seeing you in Anaheim!

🌐 https://www.hirelplastics.com/

07/18/2026

Here’s a look into our blow molding process. From material to packaging, Hi-Rel Plastics is your go to plastic manufacturer. Visit the link in our bio for more details about how we can help you.

07/16/2026

The right material can make a significant impact on product performance, durability, and manufacturability.
With experience processing a wide range of commodity and engineering-grade resins, Hi-Rel Plastics helps customers identify the best material for their application and production goals.

🌐 https://www.hirelplastics.com/

07/14/2026

Industrial equipment manufacturers rely on durable, high-quality components to keep operations moving.
Hi-Rel Plastics supports OEMs with custom injection molding, blow molding, tool making, vacuum forming, thermoforming, LSR machining, assembly, and value-added manufacturing services tailored to industrial applications.
🌐 https://www.hirelplastics.com/

Address

7575 Jurupa Avenue
Riverside, CA
92503

Opening Hours

Monday	8am - 4:30pm
Tuesday	8am - 4:30pm
Wednesday	8am - 4:30pm
Thursday	8am - 4:30pm
Friday	8am - 4:30pm

Telephone

(951) 354-0258

Website

https://www.hirelplastics.com/, https://vimeo.com/1152717655

Alerts

Be the first to know and let us send you an email when Hi-Rel Plastics & Molding, Inc. posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Hi-Rel Plastics & Molding, Inc.:

Want your business to be the top-listed Engineering Company in Riverside?