Group 1 - The company announced plans to initiate the process for issuing H-shares and listing on the Hong Kong Stock Exchange to enhance its international presence and brand recognition [1] - The board of directors has authorized the management to start preparatory work for the H-share listing, with a timeframe of 12 months from the board's approval [1] - The H-share listing is subject to further approval from the board, shareholders, and relevant regulatory bodies including the China Securities Regulatory Commission and the Hong Kong Stock Exchange [1] Group 2 - The company was listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board on November 15, 2019, with an issuance of 83.47 million shares at a price of 18.26 yuan per share [2] - The total funds raised from the initial public offering amounted to 152.42 million yuan, with a net amount of 145.02 million yuan after deducting issuance costs [2] - The funds raised were intended for various projects including the production line for inorganic ceramic nanofiltration membranes and a research center for membrane materials and technology [2][3]