POS terminal manufacturer Castles Technology, which shipped over 3.2 million devices last year, has acquired all assets of Spire Payments, also a manufacturer of POS terminals. The value of the all-cash transaction was not disclosed. Taiwan-based Castles Technology has been in business for 25 years. The company’s shares have traded on the Taiwan Stock Exchange since 2016. Spire Payments shipped 382,253 POS terminals last year to clients in the U.K., Scandinavia, Eastern Europe, Iraq, Jordan, and the U.A.E. In addition to selling hardware, it provides terminal management services, a gatewa...