Oriental System Technology Inc. (6819.TWO) manufactures and supplies infrared optoelectronic components and sensors, with a focus on thermopile-based temperature detection and non-dispersive infrared (NDIR) gas sensing solutions; core products include thermopile array modules, SMD thermopile sensors such as OTI-502 T120, OTP-868D2 L3.0, OTP-638D2, OTP-628D2, OTP-678D4 and OTP-N538U, TO-5 packaged sensors including OTI-301 T series and OTI-302 T series digital thermopile sensors, OTP-N537F2, OTP-667F4P, OTP-336, and sensor modules like OTM-422 infrared temperature sensing module, alongside TO-46 and other thermopile and NDIR gas sensors. The company, founded in 1990 and headquartered at 2F., No.25, Industry E. 9th Road, Hsinchu Science Park, Hsinchu 30075, Taiwan, operates primarily in the optoelectronics and IR MEMS sensor industry, providing customized design, development and one-stop manufacturing services to customers worldwide, with products certified for safety in multiple countries. In recent developments, the company sponsored the Taiwan Medical Dragon Scholarship for a Stanford University visiting group in October 2025, reinforcing its commitment to innovation and industry collaboration, while maintaining steady growth from prior milestones such as 50% annual revenue increase in 2014 and listing on the Taipei Exchange in February 2021.