Advanced Semiconductor Engineering, Inc. is a provider of semiconductor packaging and testing services. The Company offers a range of semiconductors packaging, testing and electronic manufacturing services (EMS). The Company's segments include Packaging, Testing, EMS and Others. The Company provides services in packaging bare semiconductors into finished semiconductors with a range of electrical and thermal characteristics, as well as testing services, including front-end engineering testing, wafer probing and final testing services. It also sells goods from EMS. The Company engages in other activities, such as substrate production and real estate business. It provides integrated solutions for EMS in relation to computers, peripherals, communications, industrial, automotive, and storage and server applications. The Company provides front-end engineering testing services, including customized software development, electrical design validation, and reliability and failure analysis.