With the actual implementations in many plants and absolutely high reliability, CENTUM CS has been the best seller of large-scale DCS since its first sale in 1993. Since it was released in 1993, CENTUM CS is widely applied in the plants of oil refinery, petrochemical, chemistry, iron and steel, non-ferrous metal, metal, cement, paper pulp, food and pharmaceutical industries, and power, gas and water supply as well as many other public utilities.