The company completed the construction and installation of the acid-basic exhaust gas purification system in Shanwei Truly Co., Ltd., and achieves the effective treatment of Truly LCD and TFT production workshop exhaust gas. After treatment, the removal rate to hydrochloric acid, nitric acid, sulfuric acid, hydrofluoric acid and other acid mist in the exhaust gas is up to 95% or higher, and the removal rate to ammonia gas is up to 99% or higher. The project meets the Grade I emission standard of the “Air Pollutant Emission Limits” (Guangdong local standard DB/27-2001), and obtained the consistent high praise from the owners.