I te 17 o Hepetema, 2021, i whakaputa te Tari Tauhokohoko o Amerika i tētahi pānuitanga e kī ana ka whakaotihia te arotake whakamutunga tuarima o ngā hononga paipa whakarewa-whakarewa waro maitai (CarbonSteelButt-WeldPipeFittings) i kawemai mai i Haina, Taiwana, Brazil, Japan me Thailand. Mēnā ka whakakorehia te hara, ka hua ake ngā takoha ārai-whakarewa i tēnei take i te whakarewatanga o ngā hua e pā ana ki te take i Haina i te tere whakarewatanga o te 182.90%, i te putanga mai rānei o ngā take, ka haere tonu, ka puta rānei te tere whakarewatanga o ngā hua e pā ana ki te take i Haina, ā, ka haere tonu, ka puta rānei te whakarewatanga o ngā hua e pā ana ki te take i te tere whakarewatanga o te 87.30% me te 52.25%. I haere tonu, i puta rānei te whakarewatanga o ngā hua e pā ana ki te take i te tere whakarewatanga o te 65.81%, ā, i haere tonu, i puta rānei te tere whakarewatanga o ngā hua e pā ana ki Thailand i te tere whakarewatanga o te 52.60%. Ko te 7307.93.30.

I te 12 o Tīhema, 1986, i whakatinanahia e te Hononga o Amerika ngā takoha ārai-para mō ngā paipa whakarewa-tuatahi waro maitai i ahu mai i Brazil me Taiwan, Haina. I te 10 o Pēpuere, 1987, i whakatinanahia e te Hononga o Amerika he takoha ārai-para katoa mō ngā paipa whakarewa-tuatahi waro maitai i ahu mai i Hapani. , I te 6 o Hūrae, 1992, i whakatinanahia e te Hononga o Amerika he takoha ārai-para katoa mō ngā paipa whakarewa-tuatahi waro maitai i tīmata i Haina me Thailand. Mai i taua wā, kua whakahaerehia e te US e 4 ngā arotakenga rā i te rā, i te 6 o Hānuere, 2000, te 21 o Noema, 2005, te 15 o Āperira, 2011, me te 23 o Ākuhata, 2011. I whakaūhia me te panuitanga e 4 ngā wā. I te 1 o Hūrae, 2021, i whakaputa te Tari Tauhokohoko o Amerika i tētahi rangahau mō te arotakenga rā tuarima o ngā paipa whakarewa-tuatahi waro maitai i kawemai mai i Haina, Taiwan, Brazil, Hapani me Thailand.