????ä¸??½è´¢å¯???3??6? - ??é¾?管ä?ï¼?002457ï¼?????称ï?è¿??¥ï????¸æ?¶å?°ç????????¹ç?å­???ç«???å¼?ç»°æ?è¾½ä???å·¥ç???è¦?????设å???è´????ï¼?PCCP管ï???è´?????ï¼??????»é??é¢?çº?.58亿å??ï¼???????021年度ç»?审è??¥ä??»æ?¶å?¥ç??10.57%????????å±¥è?é¢?计å?ä¼?对å????023å¹´è??025å¹´ç??ä¸?绩产??ä¸?å®?å½±å????