United Microelectronics Corporation (UMC) is a semiconductor foundry. It offers circuit design, mask tooling, wafer fabrication, assembly and testing solutions. Its backend services include turnkey, testing, package solution development and product yield management solutions. Its design solutions include mask service, silicon shuttle, design verification and design for manufacturing. The company products find application in communication devices, consumer electronics, computer and high volume application such as networking, telecommunications, internet, multimedia PCs and graphics. It operates manufacturing facility in the Tainan Science Park, Southern Taiwan. The company operates offices in Taiwan, Mainland China, HongKong, Europe, Japan, Korea, Singapore, Europe and the US. UMC is headquartered at Hsinchu City, Taiwan.