Siliconware Precision Industries Co., Ltd. is an independent provider of semiconductor packaging and testing services. The Company offers packaging and testing solutions, including advanced packages, substrate packages and lead-frame packages, as well as testing for logic and mixed signal devices. It also offers its customers turnkey service, from packaging and testing to shipment service. It focuses on customers in the personal computer, communications, consumer integrated circuits and non-commodity memory semiconductor markets. It develops advanced packaging technologies, such as flip-chip and wafer bumping technologies. It provides testing services, such as wafer probing, final testing, tooling design and other testing services. It provides final testing services for a range of logic and mixed signal and radio frequency integrated circuit packages and other integrated circuit packages, including complex and high-performance integrated circuits, as well as lower-performance ones.