oem

An original equipment manufacturer (OEM) is a company that produces parts and equipment that may be marketed by another manufacturer. For example, Foxconn, a Taiwanese electronics contract manufacturing company, which produces a variety of parts and equipment for companies such as Apple Inc., Dell, Google, Huawei, Nintendo, Xiaomi, etc., is the largest OEM company in the world by both scale and revenue.
The term is also used in several other ways, which causes ambiguity. It sometimes means the maker of a system that includes other companies' subsystems, an end-product producer, an automotive part that is manufactured by the same company that produced the original part used in the automobile's assembly, or a value-added reseller.

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