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United Microelectronics Corporation is a global semiconductor foundry that provides integrated-circuit fabrication services. Its technology portfolio includes logic and specialty processes such as mixed-signal, embedded high-voltage, embedded non-volatile memory, RF SOI, and BCD technologies. UMC serves electronics customers across multiple industries and provides manufacturing capabilities through wafer-fabrication facilities in Asia. Its customers design the chips that UMC manufactures, so the company operates as a production and technology partner within the electronics supply chain rather than as a retail electronics manufacturer.