Contract Manufacturer — Chico, California — Since 1960
Tooling, injection molding, die casting, and finishing under one roof
Local Roots. Complete Solutions. Global Capability.
A California manufacturer for over 60 years, Wrex Products builds tooling and molds, die-casts or injection-molds parts, machines, finishes, applies coating, and assembles finished goods — all through one U.S. manufacturing partner. We help engineers and buyers replace multiple vendors with one experienced, accountable team.
Prefer to talk first? Call (530) 895-3838
17 presses · 7 casting cells
Injection molding and die casting on one floor
- U.S.-Based Manufacturing
- Chico, California
- ISO 9001:2015
- ISO 13485:2016
FDA-registered device establishment. See Quality & Certifications for exact scope, certificate numbers, registrar, and current dates.
Capabilities
From tooling to finished, packaged assembly
Plastic Injection Molding
Engineering-resin injection molding with in-house tooling support, from prototype quantities through production.
Learn more →Aluminum & Zinc Die Casting
High-pressure die casting in aluminum and zinc alloys, with tooling, trim dies, and secondary machining under one roof.
Learn more →CNC Machining
Precision secondary machining for molded and cast parts, plus stand-alone CNC work in metal and plastic.
Learn more →Powder Coating
In-house powder coating and finishing for die cast and machined components, with custom masking and fixturing.
Learn more →Tooling & Engineering
Mold and die design, build, repair, and modification — including transfer of existing tools from other suppliers.
Learn more →Assembly & Finishing
Electromechanical assembly, pad printing/decoration, and custom finishing to deliver complete, ready-to-ship assemblies.
Learn more →Engineering & DFM
We review designs before they become tooling
Every quoted part goes through design-for-manufacturability review — wall thickness, draft, gate location, and tolerance stack-up — before a tool is cut. Catching issues here avoids expensive tool rework later.
See our DFM resources →Quality
Documented, repeatable quality control
First-article inspection, in-process checks, and final inspection are documented for every job, with additional documentation packages available for regulated and medical-related work.
Quality & Certifications →Powered by industry-leading manufacturing systems including DELMIAWorks ERP (formerly IQMS), SolidWorks, and Mastercam.
Industries Served
Built for engineers who need it right, not just fast
From the Resource Center
Technical guides for engineers and buyers
Practical, no-fluff articles on design, tooling, and sourcing decisions — written by our own engineers.
Visit the blog →Ready to talk about your project?
Send your drawings or describe your part — an engineer will follow up, not a sales queue.