?? 7????????????????300????
????:1???????200????:??500?3??????
2????????????
3?????????
4?????
5?????????
????7??1????????????????????????????? (????? ???????????????)7??????????1???????????,??????300????????????OTC????????,????????????????????,???
??,??,??“?????????????????”??????????????????,??,??????????,?(OTC)???????????????,?????
?,7??????????????1????????????,???????????????????????????????300????????????OTC??,?????????????????????????????????????,???????????????????????????300??16?????????
??,????????????,?????,???????????????????OTC????,???????????,?????????????????,???????????,??,????????????????(??) ?????????????:?????????????????????