Powertech Technology Inc. (PTI, 力成科技) is a company that provides integrated circuit (IC) backend services. It supplies chip bumping, chip probing, IC assembly, final testing, burn-in, and system-level assembly. The company offers chip probing services for memory and logic devices, testing, and WLBI service for mass production products, as well as probing technology development, devices correlation, engineering, or special lots support. PTI also specializes in IC packaging, including wafer-level packaging, flip chips, lead frames, etc.