What We Offer
We provide quality products and professional services
Quality Manufacturing
Our manufacturing expertise and turnkey capabilities cover design and manufacturing from the start with raw aluminum ingots to the finished product including Chemical Film and Powder Coating Finishes:
- Design using state of the art computer 3D software tools that create molds and tooling
- Metal flow simulation
- Thermal Analysis
- Post Casting machining of all normally required secondary operations
- Metal Chemical Film Treatments
- Powder Coating of finished product
- A Tradition of Excellence

USA: SEI Sales and Engineering
Exceptional Design
With our veteran design and engineering team, you can be sure your custom designed product will meet your specific program requirements. SEI Castings products are warranted to meet applicable product specifications and to be produced. Our warranty covers parts and labor but excludes products which have been abused. If product service is required, simply contact SEI Castings Sales for immediate response. With extensive design experience, proven manufacturing techniques and a strong commitment to customer satisfaction, at SEI Castings we produce the highest quality and most reliable products possible. Your needs are always our #1 priority. We welcome the opportunity to address your specific requirements.
SEI founders and each employee have a commitment to excellence and a willingness to do whatever it takes to provide service and complete customer satisfaction.
Do you have a project?
Request a quote or give us a call!
Contact Us
Senah Inc.
66 First Street #4, Gilroy, CA 95020
Phone: (408) 374-1031
Looking for Microwave or RF Products. You came
to the right place! To see how we can help, click
below.

Contact Us
Senah Inc.
66 First Street #4, Gilroy, CA 95020
Phone: (408) 374-1031
Looking for Microwave or RF Products. You came to the right place! To see how we can help, click below.
