????:1?????:???????

2??????????

3?2020???????

4?????????????

5?2021??????

?????????????????7???????????????1?? (????????????? ????????????)7????????????1???????????????,????????????????300????????????OTC?????????????,???????????????,???

?,???????????,??“???????????????”????????????,??????????????????,????????????,??(OTC)??,?????

????????????????????,7???????1???????????????????,????????????????????300??OTC??,?????????,????????????????????????????300??16?????????

??,???,??,???????????????OTC???????????????????????,????????????,???????????,????????,?,??????????????(?????????????????????????????) ????????????:??????