3S KOREA Co., Ltd. is a Korea-based company mainly engaged in the wafer carrier and air conditioning businesses. The Company operates in two business segments: wafer carrier and environment. Its wafer carrier segment manufactures front-opening shipping boxes (FOSBs), front opening unified pods (FOUPs), open cassettes (O/Cs), 300mm wafer carriers and others. Its environment segment provides calorimeters, including compressor calorimeters, automotive AC calorimeters, psychometric type AC calorimeters and others, environment control systems, including environment test equipment for room air conditioners, automotive wind tunnel type environment equipment, artificial snowfall apparatus and others, as well as micro-algae carbon dioxide fixation (MCDF). In addition, the Company is involved in the installation, operation and maintenance of related equipment.