2022??6??8?????????????????????????????й???????泥?Ammonium Sulfate??????????η????????????臨???????????????????????????????????й??永???????????493.46%?????????????????????

2016??6??15????PCI Nitrogen, LLC??????????????????????????й???????立?????????????????顣2017??1??10???????????????????????й????永??????????????????????????й??永????????????206.72%??2017??1??18???????????????????й????永??????????????????????????й?????????????493.46%??2022??2??1??????????????????棬????????й???????立??????η???????????????臨????顣

?????????????????????

????????????

??????У???

????https://www.federalregister.gov/documents/2022/06/08/2022-12313/ammonium-sulfate-from-the-peoples-republic-of-china-final-results-of-the-expedited-first-sunset