Central Filter Industry Co., Ltd. is a comprehensive manufacturer of filtration systems, designing and producing industrial liquid filters and gas filters for petrochemicals, pharmaceuticals, food, and paints, as well as precision filters used in the electronics industry, nuclear power plants, and medical institutions. They also create aeration devices for the purification of sewage, excrement, and factory wastewater, ultrafiltration (UF) and reverse osmosis (RO) systems for producing ultrapure water and yeast concentration, oil-water separation devices to remove oil from factory wastewater, and ozone water production systems for sterilizing PET bottles used in mineral water manufacturing.