Quality Contract Precision Manufacturing
For Small and Large Projects.
Our engineers will help you realize your product. No Fees.

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

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.
Unlock the Power of US-based Professionals for Chinese + Taiwanese Manufacturing.
Engineering
Support
JDM, System Design Capabilities + Local Customer Support.
Tooling and Automation
Inhouse Tooling and Automation Capabilities.
Financial Sustainability
Financial Insight and
Expertise provided.
Production
Flexibility
Multiple Manufacturing Sites across
Asia.
Materials
Expertise
Extensive Metal and Plastic
Processing Knowledge.
Mechanical Module Integration
L5/L6 Integration
Capabilities
Your Trusted VMI Partner in Ontario, California.

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!