Guizhou Space Appliance (GSA, 航天电器) is a manufacturer of electronic components. Its products include connectors and cables, motors and components, optoelectronic devices, relays, and system integration. The company specializes in automated manufacturing of stranded nanocontacts and brush-shaped contacts, wool button manufacturing, aerospace-grade product manufacturing, micro motor manufacturing, photoelectric module manufacturing, as well as composite material electroplating, laser sealing welding, glass ceramic sintering, and high-density gold plating.