149673                                                                    21      10

          149674                                                                    21      11




   2021




                                           “         ”
                    300              300
                [2021]1976

                             2021
                                                     60              60
                        3                            5

   2021    10      20
                                    2.50%-3.50%                                          2.90%-
3.90%
                                                      3.28%                              3.63%

                                    2021        10         21        2021      10   22
                                                     2021       10        19
            http://www.szse.cn                              http://www.cninfo.com.cn
                            2021