CHIHAN is located in Longtan District, Taoyuan City, Taiwan. The technical team deep plowing into the high-tech industry (IC/TFT-LCD/PV/Li-Battery etc.) air pollution control technology, including Volatile Organic Compounds (VOCs) abatement system, inorganic acid and alkali scrubber, clean room Airborne Molecular Contamination (AMC) control, high boiling point VOCs solvent recovery, acid / alkaline / organic smoke(white smoke) collection, NOx (yellow smoke) oxidation and reduction, Odor(DMS, Acetic acid and H2S etc.) oxidation and solvent recovery etc. for more than twenty years, and has developed a number of high efficiency solvent recovery and air pollution control technologies.