3S KOREA Co., Ltd. engages in the semiconductor and advanced materials, and environmental businesses in South Korea. The company offers environment test equipment, including system multi air, psychrometric type air, balanced ambient room type air, air to air type heat exchanger, automotive A/C, automotive compressor, and compressor calorimeters; environmental control systems, such as artificial environment test equipment, environment test equipment for room air conditioners, housing all-weather type environment test equipment, automobile wind tunnel type environment test equipment, artificial snowfall test equipment, ECUs, thermal shock testers, forced circulation dryers, salt spray testers, and simple type of test equipment. It also provides automotive parts that include VDA low temperature durability test systems, A/C system performance testers, comp system bench testers, RAD and oil cooler performance testers, RAD thermal cycle testers, cond calorimeters, fan performance testers, and E-HAD testers; and clean room products. In addition, the company offers other test equipment comprising thermal transmission rate test equipment, FAN performance measuring equipment, compressor reliability testers, compressor noise control test equipment, compressor lock rotor test equipment, compressor starting testers, air sampling units, and heat pump test equipment. Further, it provides wafer shipping boxes for semiconductor, automobiles, health care, aviation, etc. fields. The company was formerly known as Century System Supplier Co., Ltd. and changed its name to 3S KOREA Co., Ltd. in October 1994. 3S KOREA Co. Ltd. was founded in 1989 and is headquartered in Seoul, South Korea.