Miraial Co., Ltd. Miraial Co., Ltd. manufactures and markets advanced-function plastic products primarily for the semiconductor industry, with global top share in silicon wafer shipping containers such as FOSB and FOUP; it produces wafer processing carriers including 300mm FOUP, PEEK, PFA, PBT, PP and aluminum cassettes across wafer sizes from 75mm to 300mm, storage boxes, square wafer handling products and cassette accessories; fluid system components comprising K-LOCK tube fittings, KS and SB weld fittings in elbows, tees, reducers and unions; and electronic parts, alongside molding machines, precision molds, plastic and metal processing prototypes from subsidiaries Sanjo Seiki Co., Ltd. and Miraial Tohoku Co., Ltd. The company operates through plastic molding, forming equipment and real estate leasing segments, serving electronics materials and semiconductor manufacturers with high-precision molding, machining, 3D printing, material analysis and resin development capabilities. Founded in July 1968 and headquartered at NISSAY Ikebukuro Building in Tokyo, Japan, Miraial maintains operations in Japan including Fukushima, with overseas sales through Miraial (Shanghai) Co., Ltd. established in May 2019, and employs 330 people as of January 2025. Recent developments include expanded product listings for diverse wafer handling and fluid systems on its official platform, alongside sustained focus on semiconductor-related innovations amid industry demand growth.