ASE Technology provides semiconductor packaging, testing, and electronic manufacturing services to customers worldwide, with operations spanning the United States, Taiwan, Asia, Europe, and other regions. The company's core business includes semiconductor packaging solutions, wafer testing, interconnect materials, and turnkey services for computing, communications, automotive, and industrial applications. ASE Technology also operates real estate and property management divisions, along with various ancillary businesses including antenna manufacturing, circuit board production, and technical consulting services.