Advanced Semiconductor Engineering, Inc. is principally engaged in the manufacture, assembly, processing, testing and distribution of integrated circuits (ICs). The Company provides IC assembly offerings, such as dual-in-line, plated-through-hole (PTH), flip-chip, ball-grid-array (BGA), chip scale package (CSP), quad and other package offerings; test service offerings, such as front-end engineering testing, wafer probing, final testing of logic, mixed signal and memory semiconductors, and other test-related services; material offerings, such as substrate offerings and others, as well as tray service offerings.