- CEO
- Shang Chih Li
- Full Time Employees
- 292
- Sector
- Electronic technology
- Industry
- Electronic components
- Address
- No. 2, Zhonghua Lane Taoyuan Taiwan 333
- IPO Date
- Aug 30, 2013
- Business
- EISO Enterprise Co., Ltd. (5291.TWO) manufactures and sells printed circuit boards and related optoelectronic products. The company produces multi-layer PCBs (2-26 layers), heavy copper PCBs (2-6oz), first- and second-order HDI boards, FR4 rigid PCBs, dual-layer PCBs, heat-dissipating aluminum substrates, special solder mask PCBs, ethernet switches, and LED products including desk lamps, ceiling lights, table lights, LED tubes, spotlights, wall lights, downlights, and customized LED modules; these offerings serve industrial computers, internet communications, automotive applications, power supplies, satellite navigation, network equipment, medical devices, AI servers, 5G antennas, millimeter-wave components, and lighting solutions. Founded in 1994 and headquartered in Taoyuan City, Taiwan, EISO operates primarily in Asia, the Americas, and Europe, with certifications including ISO9001, ISO14001, QC080000, IATF16949:2016, and UL for heavy copper boards; it listed on the Taipei Exchange in August 2013 and went public in 2014. In recent years, EISO has pursued diversification by establishing a regenerative energy department for sustainable development, expanding into optoelectronics and special materials, and achieving growth in niche markets like AI, 5G communications, and high-end PCBs, with its diversification efforts bearing fruit as noted in 2025 industry reports.