2020??8??6???WTO?????????????????????????8??3??????????????????????????????ó????COMEX??2020??7??31???008-2020????飬???????????????棬?????????????????????????????Cer??mica plana????????????飬?????????????永?????????????6907.21.00.90??6907.22.00.90??6907.23.00.90??

2019??11??26????????????????ó?????????????MPCEIP???????????????????棬??????????б????????????顣

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https://docsonline.wto.org/dol2fe/Pages/SS/directdoc.aspx?filename=s:/G/SG/N9ECU3.pdf&Open=True