2022??5??17???????????????????????й?????·?????????????????????Freight Rail Coupler Systems and Components Thereof????????????????????????????????????????????Chongqing Tongyao Transportation Equipment Co.?????й??г????????????CRRC Corporation Limited????CRRC Qiqihar Co., Ltd.?????????????????????China Railway Materials Group Co., Ltd.??????????????·??????????????Shaanxi Haiduo Railway Technology Development Co.,Ltd.?????й???????????/??????????????256.99%??????????ó??????ITC????????2022??6??30???????????????????????á??????漰????Э????????8607.30.1000???μ?????

2021??10??20??????????????Coalition of Freight Coupler Producers??2021??9??29??????????????????????????????й?????·??????????????????????????????????????顣2021??11??12???????????ó????????????????й?????·????????????????????????????????????????????????á?2022??3??1???????????????????????й?????·????????????????????????????????????á?

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https://www.trade.gov/faq/final-determination-countervailing-duty-investigation-certain-freight-rail-couplers-and-parts