Phoenix Silicon International Corporation operates in the wafer and energy industries in Taiwan. The company offers wafer reclaims for IC process equipment; wafer thinning products; thermal oxide products used in etch rate test, metal wiring test, metal wafer, and electrical insulating layer applications; and micro electrical-mechanical systems (MEMS) for MEMS microphones, automatic focusing elements, pressure sensors, action sensing elements, gyroscopes, and accelerometers. It also provides lithium battery cells and battery packs. The company was founded in 1997 and is headquartered in Hsinchu, Taiwan.