We are a recognized global leader in metal componentry, products and associated prototyping. Our vision is to be the best partner for our clients through our relentless innovative commitment to quality, creativity, and responsiveness.

Our Technology

One stop for metal part prototyping

Our Technology

Castem’s engineering and manufacturing systems enables us to assist our customers in the design and development of components and solutions that meet their challenging requirements. Our success has grown out of our sincere desire to be an integral part of our customers’ teams. Our integrated engineering, manufacturing and assembly capabilities allow us to develop prototypes for the identification of potential problems and to provide a turnkey source for design, fabrication, assembly of your metal components.

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Our History

Innovative and reliable products

Our History

CASTEM Group has grown to a global company operating in Japan and Southeast Asian countries with the core business of precision casting.
Now we are at a turning point but we always have one faith, “Be the best partner for our clients.” In the intensifying competition over the rising demand for high quality, low cost, timely delivery, varied product assortment, and small lots, we strive to provide customers with the best possible value.

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Integrating Your Values into Ours

Founded in Japan, Castem is a believer in respect. respect means honoring our commitments, acting with appropriate deference to our clients requirements and most importantly respecting their expectations for expeditious delivery, quality and pricing.

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Contact Us Today!


    15801 Rockfield Blvd. Suite #D

    Irvine, CA 92618, U.S.A.

    Tel: 949-543-0274

    Fax: 949-543-0275