Vanguard International Semiconductor Corporation, together with its subsidiaries, engages in manufacturing, selling, packaging, testing, and computer-aided design of integrated circuits and other semiconductor devices in Taiwan and internationally. The company offers a range of foundry process technologies, including high voltage, ultra-high voltage, bipolar CMOS DMOS (BCD), silicon on insulator (SOI), discrete, logic, mixed-signal, analog, and embedded memory, as well as manufactures and sells masks. Its services include multiple project wafer services; mask services comprising frame generation, mask making, and mask repairing; backend services, including front-side metallization, backside grinding and metallization, chip probe, gallium nitride compound semiconductor material, WLCSP and RDL, and backend solutions; and automotive services, as well as provides intelligent manufacturing and management services. Vanguard International Semiconductor Corporation was incorporated in 1994 and is headquartered in Hsinchu, Taiwan.