Asia Pacific Microsystems (APM, 亞太優勢微系統股份) is a company that manufactures, develops, and distributes micro-electro-mechanical systems (MEMS). It offers three-dimensional microstructures, pressure, and environmental sensors, micro-Opto-electromechanical integrated wafer components, optical actuators, silicon Crystal optical integration platform, micro-electro-mechanical silicon oscillators, micro-channel structures, etc.