The third batch of specialized special new "little giant" enterprises on July 19, 2021 publicity, Huanghe air division among them. Specialized and special new "little giant" enterprises are selected from specialized and special new small and medium-sized enterprises, indicating that the enterprises focus on market segmentation, strong innovation ability, high market share, master key core technology, quality and efficiency of the "vanguard" enterprises. The successful selection of specialized special new "little Giant" enterprise is the huanghe air separation innovation ability to expand the market, management and other aspects of high recognition.