Hardware development — concept to production

We make product ideas manufacturable.

Engineering, prototyping, tooling, and production management — for founders and operators who need a manufacturing partner, not another agency.

What CEM means

Three disciplines, one continuous path — Concept, Engineering, Manufacturing.

C Concept MVP definition, feasibility, and product strategy — defining what's worth building.
E Engineering Mechanical design, CAD, and rapid prototyping — engineered for how it gets made.
M Manufacturing Tooling, factory coordination, QC, and supply chain — through to delivery.
The problem we solve

Most teams waste time and money before they know what they're actually building.

Over-engineered, over-designed, six months in — then they hit a wall at the factory. We prevent that by defining a manufacturable MVP before a dollar goes into tooling. The goal isn't a beautiful product on paper. It's a product that can actually be made.

"Design files don't ship products. Manufacturing-ready engineering does."

Start here
Strongly recommended

Product Feasibility & MVP Definition

A focused 1–3 week engagement before engineering begins. We define a manufacturable MVP, identify risks, map the path to production, and give you a real cost picture.

The clients who skip this phase usually wish they hadn't.

Typically 1–3 weeks · Fixed scope
Product highlights
Assistive Technology · Enclosure
AAC Device Case System
Purpose-built protective case platform for iPad-based AAC speech-generating devices. Dual-size family with integrated mounting, keyguard compatibility, and full accessory ecosystem.
Injection moldingToolingFactory coordination
Audio · Mountable Accessory
Bluetooth Speaker
Mountable speaker designed for education and communication device use. Coordinated electronics factory, PCB assembly, acoustic tuning, and enclosure tooling across dual suppliers.
ElectronicsInjection moldingPCB assembly
Education Technology · Protective Hardware
Ruggedized Tablet Case
Fleet-grade protective case engineered for K–12 school districts. Drop-tested durability, shared-fleet serviceability, and district-scale deployment requirements.
Injection moldingDurability testingFleet design
Accessibility · Precision Hardware
Acrylic Keyguard
Precision-cut overlays engineered to device-specific tolerances for AAC and accessibility applications. Custom layouts produced via CNC routing and precision cutting.
CNC routingPrecision cuttingCustom layouts
Consumer · Wearable Hardware
Collectible Gifting Pendant
Limited-edition wearable with a hidden reveal mechanism and embedded digital memory layer. Numbered drops, designed for gifting culture.
3D printingOptical assemblyQR / NFC
Yours?
Next project
Selective engagement

For the right clients, we go further.

Beyond development, CEM can act as the manufacturing operator — managing factories, production, and supply chain on your behalf. You buy finished goods. One point of accountability from tooling through delivery.

This model works best for companies that want to ship without building a supply chain team, or for founders who need a true operational partner on the manufacturing side.

A selective engagement, discussed per project. If it sounds like what you need, mention it when you reach out.

CEM FACTORY PRODUCTION SUPPLY
About

Built around how hardware actually gets made.

CEM Product Works bridges the gap between product vision and factory reality. We don't hand off at the design file — we stay through production, managing the supplier relationships, tooling, and logistics that determine whether a product actually ships.

Design, concept development, and prototyping happen here in the US — 3D printing and functional builds done in-house. Manufacturing and production are executed through a trusted factory network in Asia built on long-term personal relationships, not one-time sourcing.

That combination — US-based product development with direct factory access — is what gives our clients a faster, more controlled path from idea to shelf.

United States · Walnut, CA
Design & development
  • Concept & MVP definition
  • Mechanical engineering
  • 3D printing & prototyping
  • Functional testing
Asia · Trusted factory network
Manufacturing
  • Injection molding
  • Tooling & mold development
  • Electronics & PCB assembly
  • Quality control
  • Supply chain & logistics
Start a project

Have something worth building?

Tell us about your product. We review every submission and respond within a few business days if it's a fit.

We don't share your information.