APC Tech Co., Ltd. has a sterilization function such as bacteria and viruses and chemically removes volatile organic compounds (VOCs) in order to safely protect the people from increasingly serious air pollution, deterioration of indoor air quality, and various harmful substances in the air inhaled through the respiratory system. We are continuously pursuing business diversification by producing and selling a new concept photocatalytic air doctor that completely decomposes and changes into a new molecular structure such as harmless water (H2O).