?? 7????300????????????????
????:1??????2???:??2021??
2??????v
3?98?????
4???????????
5??????????
???????????????????7?1?? (????????????? ????????)7??1????????????,????????????????????300????????????OTC?,??????????????????????????????,??????????????????????????????
???????????,??????????,????????????“????????????????????????????”?,???????????????,?,??(OTC)?????,???
??,7???????????????1????????????,???????300????OTC???????,????????,?????????????????????????????300????????????16???
?????????????,????,???,???????????????OTC????????????????????,????????????,??????????????????,????????,?????????????,????????????(???????????) ???:????????????