Introduction: Southco was founded in Pennsylvania, USA in 1899 as a professional oil pipeline manufacturer. In 1945, Southco, Inc. was established to develop fastener and door lock businesses. Sosco Engineering enters the solution to help customers achieve the possibility of interacting with various products in their daily lives. These solutions include products such as door locks, fasteners, electronic access solutions, hinges/positioning controls, and various key "touchpoints". Southco's product application areas cover industries such as enterprise grade hardware, consumer electronics, self-service, aerospace, railway ships, automobiles, engineering machinery/construction, caravans, industrial machinery and equipment, cabinets, HVAC, medical equipment and networks, telecommunications and computers, etc; Southco official website: www.southco.com.