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Sei Castings


The Client

As a leading custom aluminum die caster, SEI aluminum metal castings technology offers a unique combination of capabilities producing product in all aluminum and zinc alloys. Working smarter to produce both the easy and most difficult products in Aluminum and Zinc, SEI is client’s best selection for any die casting project. Irrespective of the need for large or small quantity, selection of alloy, component type, degree of difficulty or finish selection aluminum and zinc die casting by SEI is the better selection.

SEI can lower the manufacturing cost of client’s product. We specialize in prototyping and short-run casting orders, a job is considered a short-run casting whenever the cost of the die is greater than the cost of the casting production. The processing of short-run casting orders requires operation efficiency, designed to reduce setup time and costs. SEI specializes in providing die casting production for quantities from the a thousand to hundreds of thousands and larger. Small job quantities vary, but are generally less than 5,000 parts, and may even be as low as fewer than hundreds of parts.


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Sei Castings


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Exceptional Design

With their veteran design and engineering team, client’s can be sure of their custom designed product will meet their specific program requirements. SEI Castings products are warranted to meet applicable product specifications and to be produced. Their 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.

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Sei Castings Products

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