On April 15th, the 2021 China Acrylic Acid and Ester Industry Chain Innovation and Development Forum was held in Hangzhou, Zhejiang. Our Kehuan magnetic pump replaced the high-end mechanical seal pump and replaced the American mechanical seal pump, and obtained the performance of satellite petrochemical, a leading acrylic company, with 450,000 tons of acrylic acid. In 2020, the equipments were all run successfully.