TOPCO Scientific, founded 1990, is a leading Taiwanese integrated technology and equipment provider specialising in precision materials, manufacturing equipment and components, integration services and system planning. The company provides specialty chemicals and gases used in photolithography, thin film, etching and chemical-mechanical planarization. It also offers materials for wafer fabrication and packaging and testing, as well as turnkey integrated circuit (IC) foundry services. In 2022 TOPCO Scientific invested in Shunkawa and Ping Yue technologies.