2021??3??30???WTO??????????????????????????????????????????????????δ??????????????2020??8??21?????????????Single Mode Optical Fibre???????????(CIF) 10%???????????飬?????????永?????????????

2019??9??23????????????????????????????????顣2019??11??6?????????????????????????????????????????????????????????永????????????(CIF) 25%????????????????Ч???200??2020??8??21????????????????????????????????????????????????????永?????????????????Ч???1???永???????????????90011000??

???????????ó?????????

??????????

????????У???

????

https://docs.wto.org/dol2fe/Pages/SS/directdoc.aspx?filename=q:/G/SG/N8IND32S2.pdf&Open=True