Proudly based in California - Est. 2011

Quality Contract Precision Manufacturing
For Small and Large Projects.

Get a RFQ for your product in 3 days. Complimentary DFM and design review services.
Our engineers will help you realize your product. No Fees.
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The One Engineering Manufacturing Capabilities

End-to-end product manufacturing & realization.

The One Engineering makes product manufacturing simple, but effective. Our high tech manufacturing process provides our clients to have precise and specific products come to life.

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Numerous Development Processes

The One Engineering has the ability to provide numerous processes for the following: materials, tooling, forming, assembly, surface finish (metal and plastic)

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Factory Diversification

The One Engineering partners with multiple manufacturing sites to ensure continuous and consistent production.

end to end production lifecycle

Perfect the process with our Global Logistics Services.

The icing on the cake is our global logistics services. We will help you design and manufacture, while ensuring that the global logistics and handoffs occur smoothly.

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Why Choose Us?

Unlock the Power of US-based Professionals for Chinese + Taiwanese Manufacturing.

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Engineering
Support

JDM, System Design Capabilities + Local Customer Support.

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Tooling and Automation

Inhouse Tooling and Automation Capabilities.

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Financial Sustainability

Financial Insight and
Expertise provided.

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Production
Flexibility

Multiple Manufacturing Sites across
Asia.

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Materials
Expertise

Extensive Metal and Plastic
Processing Knowledge.

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Mechanical Module Integration

L5/L6 Integration
Capabilities

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Your Trusted VMI Partner in Ontario, California.

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Experience seamless logistics with The One's VMI services. We arrange production based on customer forecasts, positioning materials in our Ontario warehouse. Enjoy flexibility to meet real-time demands during global logistic challenges. Enhance your supply chain with us.

Design, Manufacture, Manage Today!

We've worked with leading industry players, and we're confident we can begin a great relationship with you as well...all it takes to get started is pressing the button below!

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