PSA - Passive System Alliance, a corporation with worldwide more than 30 manufacturing sites provides diverse electronic products and services including: Walsin Technology Corporation / MLCC / www.passivecomponent.com Walton Advanced Engineering / memory assembly and testing / www.walton.com.tw HannStar Board / PCB / www.hannstarboard.com.tw Global Brands Manufacture / PCB & EMS / www.gbm.com.tw Prosperity Dielectrics / ceramic dielectric powder / www.pdc.com.tw Kamaya Electric / electronic components / www.kamaya.co.jp Nitsuko Electronic / electroinc components / www.nitsuko-ele.co.jp Info-Tek / EMS / www.psaitc.com PSA Charity Foundation / www.psa.org.tw