Castles Technology Co., Ltd. engages in the purchase, sale, and lease of personal finance application products, electronic financial transaction terminals, electronic cash registers, and peripherals in Taiwan, Asia, the United States, Europe, and internationally. Its products include Android and Linux; countertop, mini POS, multilane & PIN pad portable unattended terminal products. The company also provides payment solutions, such as CashHub, SoftPOS, device management, security, data analytics, payment solutions injection, and content management systems solutions, as well as payment payment solutions. Castles Technology Co., Ltd. was incorporated in 1993 and is headquartered in New Taipei City, Taiwan.