SDI Corporation and its affiliated enterprises produce and distribute a wide array of semiconductor interconnects, light-emitting diode lead frames, and precision tooling across key markets including Taiwan, China, Japan, Malaysia, and other global regions. The organization specializes in the processing of metal strips through smelting and rolling, manufactures and processes various electronic components, and maintains an active international trading division. Notably, the firm recently announced plans to establish a new manufacturing facility in Changhua, Taiwan, with an investment of approximately T$1.2 billion in November 2025. Beyond its electronics segment, which accounts for the majority of its revenue, SDI also offers a comprehensive selection of office supplies and writing instruments, such as staplers and correction tapes, leveraging its long-standing expertise since its establishment in 1953. The company is based in Changhua, Taiwan.