3i Systems Corporation develops innovative process inspection technologies for the TFT-LCD industry. 3i also provides advanced Stand-Along and In-Line defect inspection equipment for TFT-LCD and other FPD manufacturers.

Founded in 2005, 3i is headquartered in Sunnyvale , California , USA . 3i's manufacturing facility is strategically located in Guangdong , China . Through its Chinese subsidiary, Zhongdao Optoelectronic Co., Ltd., 3i provides localized hardware and software capacity as well as customer support.

3i's Asia-Pacific business model brings engineering flexibility and improved operation/cost efficiency. 3i applies Silicon Valley technology to China-based manufacturing infrastructure to provide high-performance and low-cost products. 3i also provides immediate customer support to the TFT-LCD industry in Korea , Taiwan , Japan and the emerging industry newcomer of China . 3i has positioned itself to be an emerging equipment and solution provider for the FPD industry in the Asia-Pacific region.

3i is committed to bringing a different user experience to TFT-LCD and other FPD manufacturers, with customized and cost-effective defect inspection equipment focusing on customer applications. 3i is devoted to developing products that enable customers to make improvements in their businesses. To accomplish this mission, 3i is committed to continually innovating and refining its technology via joint engineering efforts with its customers through the entire product development and fabrication process.