Norco Plastics - Custom Plastic Injection Molding

Custom Plastic Mold Injection Services in California

Southern California's Premier Injection Molding Company | Large Tonnage Specialists Since 1974

Large Tonnage Plastic Injection Molding
Large Tonnage Capacity Up to 2800 ton injection molding machines
California Plastic Manufacturing
USA Manufacturing Based in Southern California
Custom Injection Molding Services
Custom Injection Molding Specialized solutions for your applications
24/7 Injection Molding Services
24/7 Production Round-the-clock injection molding services
Southern California Custom Plastic Molding
California Plastic Manufacturing with over 50 years of molding experience in custom plastic injection molding
Norco Plastics specializes in high quality plastic injection molding as one of the leading injection molding companies California businesses trust. Our Chino facility serves businesses from Los Angeles to Riverside with both precision injection molded components and large-scale parts using our industry-leading 2800 ton machine. As experienced plastic manufacturers in California, we deliver quality products with 24/7 production capabilities and edge technology for custom plastic injection projects of all sizes.
Get a Custom Injection Molding Quote

88,000 sq. ft.

PLASTIC MOLD INJECTION FACILITY

LOCATED IN CHINO, CA

25 Presses

CUSTOM PLASTIC INJECTION MOLDING

30 ton - 2800 ton

24/7

SOUTHERN CALIFORNIA INJECTION MOLDING

SERVING RIVERSIDE, ORANGE & LA

ABOUT NORCO PLASTICS

HIGH QUALITY PLASTIC INJECTION MOLDING SINCE 1974

Founded in 1974 by the Williams family in Norco, California, our company has grown from a small operation with just two machines to become one of Southern California's leading injection molding companies. Today, the second generation of the Williams family continues this legacy of excellence from our 88,000 sq. ft. Chino facility, serving businesses throughout Los Angeles, Riverside, Orange County, San Bernardino, and San Diego with custom plastic injection molding solutions.

Over five decades, we've continually invested in edge technology, expanding from small-scale production to include plastic molding with large tonnage capacity up to 2800 ton—a milestone achieved in 2023 with our newest press installation. This commitment to growth, combined with our 24/7 operation and over 50 years of molding experience as a trusted production partner, allows us to deliver high quality products and precision that other molding company operations simply cannot match.

Norco Plastics Manufacturing Facility in Chino, California
Plastic Mold Injection Equipment for Custom Injection Molding in California
CALIFORNIA INJECTION MOLDING EQUIPMENT

Plastic Mold Injection Machinery

As leading injection molding companies California businesses rely on, our facility houses 25 precision molded plastic manufacturing machines ranging from 30 to 2800 ton of clamping force, with shot capacity up to 1000 oz. Our plastic molding equipment enables us to provide high quality plastic injection solutions with 24/7 production capabilities.

Whether you need custom plastic injection molding for small precision components or large-scale parts, our services deliver consistent quality products that plastic manufacturers in California rely on. Our edge technology and experienced team ensure superior results for a wide range of plastic molding applications of any size.

Tonnage Range
Machine Quantity
30 - 220 ton
5
390 - 610 ton
7
720 - 1100 ton
8
1430 - 1800 ton
4
2800 ton
1
Southern California Injection Molding Service Area Map
HIGH QUALITY INJECTION MOLDING SERVICES

Custom Plastic Injection Molding Solutions

Large Tonnage Plastic Mold Injection Services in California

Custom
Injection Molding

Specialized plastic injection molding with 30-2800 ton capacity for applications across a variety of industries. Our 24/7 facility delivers exceptional quality products for both small and large-scale injection molded projects.

Value-Added Secondary Operations for Injection Molding Companies

Secondary
Operations

Comprehensive molding company services including hot stamping, assembly operations, robotic removal, insert molding, and more to enhance your custom plastic injection molding processes with our edge technology.

Supply Chain Management for California Injection Molding

Supply Chain
Solutions

End-to-end logistics services including assembly, packaging, inventory management, and transportation to streamline your production processes with our trusted production partner team ensuring timely delivery and customer service.

HIGH QUALITY INJECTION MOLDING SERVICES

Custom Plastic Injection Molding Solutions

Large Tonnage Plastic Mold Injection Services in California

Custom
Injection Molding

Specialized plastic injection molding with 30-2800 ton capacity for applications across a variety of industries. Our 24/7 facility delivers exceptional quality products for both small and large-scale injection molded projects.

Value-Added Secondary Operations for Injection Molding Companies

Secondary
Operations

Comprehensive molding company services including hot stamping, assembly operations, robotic removal, insert molding, and more to enhance your custom plastic injection molding processes with our edge technology.

Supply Chain Management for California Injection Molding

Supply Chain
Solutions

End-to-end logistics services including assembly, packaging, inventory management, and transportation to streamline your production processes with our trusted production partner team ensuring timely delivery and customer service.

INDUSTRY SOLUTIONS

High Quality Precision Plastic Manufacturing

Our California facility delivers injection molded components for a variety of industries throughout Los Angeles, Riverside, San Diego, and Orange County. With over 50 years of molding experience in plastic injection, we provide a complete range of custom plastic solutions for projects of all sizes using edge technology and process equipment.

Construction Construction
Warehouse Warehouse
Retail Consumer
Agriculture Agriculture
Automotive Automotive
Medical Medical
Construction Industry Injection Molding

Construction Components

Construction & Infrastructure

Weather-Resistant High-Strength Code Compliant

Our Southern California injection molding company specializes in high quality products for the construction industry including weather-resistant barriers, specialized fittings, and molded plastic structural supports engineered to withstand extreme conditions.

  • Weather-resistant components for outdoor applications
  • Pond supply systems and water management solutions
  • Structural supports with superior load-bearing capacity
  • Custom plastic injection molding solutions for California building codes
Warehouse Storage Solutions

Storage & Distribution

Storage & Logistics Solutions

Impact-Resistant Stackable Design Industrial Grade

Our facility manufactures high-impact storage totes, bins, and customized container systems engineered for modern logistics and supply chain operations. Our comprehensive range of injection molded products feature reinforced corners and stackable designs that optimize warehouse space.

  • Reinforced corners for maximum durability in warehouse environments
  • Stackable designs to optimize storage space efficiency
  • High-impact resistance for demanding logistics applications
  • Exact dimensions for automated handling systems
Consumer Products Manufacturing

Consumer Products

Housewares & Consumer Products

Food-Grade Color-Matched BPA-Free

Our California plastic manufacturing facility creates food-grade housewares, baby products, and pet supplies manufactured with BPA-free materials through precision plastic injection molding processes optimized for consumer goods.

  • BPA-free materials for food contact applications
  • Premium color matching for brand consistency
  • Heat-resistant and dishwasher-safe components
  • Ergonomic designs for consumer satisfaction
Agricultural Components

Agricultural Components

Irrigation & Agricultural Components

UV-Stabilized Water-Efficient Chemical-Resistant

Our agricultural solutions feature UV-stabilized materials designed specifically for California's farming conditions, delivering irrigation components that withstand harsh outdoor environments while maximizing water efficiency.

  • UV-stabilized materials for outdoor agricultural applications
  • Water-efficient irrigation designs for sustainable farming
  • Temperature-resistant components for extreme weather
  • Custom solutions for California agriculture industry needs
Automotive Components

Automotive Components

Automotive Components

Precision-Engineered Heat-Resistant Industry-Certified

We manufacture high-performance automotive parts using custom plastic injection techniques that meet the rigorous standards demanded by today's vehicle manufacturers and aftermarket suppliers.

  • Tight tolerances for precise automotive component fitting
  • Heat-resistant materials for under-hood applications
  • Complex geometries for modern vehicle designs
  • Quality control systems meeting automotive industry standards
Medical Components

Medical Components

Non-Invasive Medical Components

Medical-Grade Precision Measurement Regulatory Compliant

We manufacture high-quality non-invasive components such as storage trays, transport containers, and external device housings for the healthcare industry, delivering precision and reliability for medical applications.

  • Medical-grade materials for healthcare applications
  • Precision manufacturing for consistent quality
  • Cleanroom production capabilities when required
  • Regulatory compliance for healthcare standards

Quality Control for Custom Injection Molding

Precision Measurement for Plastic Manufacturing

Our Chino facility features advanced quality control technology including the Brown and Sharpe CMM for precise dimensional verification of molded plastic components. We implement Statistical Process Control (SPC) monitoring throughout our plastic molding production to ensure consistent results that meet high quality standards. From incoming materials to final inspection, our quality system verifies every molded plastic component meets exact specifications, delivering superior custom plastic injection molding products. With over 50 years of experience in plastic molding as plastic injection molding company experts in California, we provide an extensive range of services with exceptional customer service for all your injection molded projects throughout Southern California.

Learn About Our Quality Process
Quality Control Systems for Plastic Mold Injection in California
Injection Molding Manufacturer in California
INJECTION MOLDING COMPANY

Over 50 Years of Manufacturing Excellence in California

Our family-owned injection molding company brings over 50 years of molding experience to every project, combining custom plastic injection with high quality products. We offer a range of manufacturing solutions from concept to completion with large tonnage equipment up to 2800 ton. Serving as a trusted production partner for a variety of industries throughout Southern California, our 24/7 operation and edge technology ensure reliable delivery of injection molded components that meet your exacting standards.

Get a Custom Manufacturing Quote
CUSTOM PLASTIC INJECTION MOLDING SERVICES

Need Precision Plastic Manufacturing in Los Angeles, Riverside, San Diego & Orange County?

Looking for quality injection molding near me? Contact us about your next plastic manufacturing project. Our team specializes in custom plastic injection molding with large tonnage equipment up to 2800 ton and 24/7 production capabilities. We deliver high quality products backed by over 50 years of experience and comprehensive quality management systems. Let us put our expertise to work for your business needs.

Plastic Manufacturers in California - Norco Plastics Team