On November 9, 2020, the 18th China Semiconductor Packaging and Testing Technology and Market Annual Conference was grandly opened in Tianshui City, Gansu Province, China. Quzhou Dongye Chemical Technology Co., Ltd. participated in the relevant annual conference theme meeting and launched the company's main hydrofluoroether products (DY-HFE147 and DY-HFE7500), used for PCB board waterproof and moisture-proof, electronic components cleaning and semiconductor packaging testing, etc. Further promoted the cooperation and project research and development with many well-known domestic chip companies.