2022??3??16????????????????????????????????????????й????????????????Iron Construction Castings??????????η????????????臨?????????????????????????????????°????永???????????58.74%??????????????????????й??永???????????25.52%???????????????????????????????????????????????永?????????Э?????????7325.10.0010??7325.10.0020??7325.10.0025??7325.99.1000??7325.10.0050??7325.10.0030??7325.10.0035??

1986??3??5????????????????????????????????????????????????1986??5??9???????????????????й?????????????????????????????????1986??5??15???????????????????????????????????????????????????????????????4?????臨?????????1999??11??12???2005??6??29???2010??11??19???2017??1??6???4???????????????2021??12??1??????????????????棬???????????????????й?????????????????????η????????臨?????????飬??????????????????????????????η????????臨?????????顣

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https://www.federalregister.gov/documents/2022/03/16/2022-05550/certain-iron-construction-castings-from-brazil-canada-and-the-peoples-republic-of-china-final