Musi wa17 Gunyana, 2021, Dhipatimendi rezvekutengeserana reUS rakaburitsa chiziviso chekuti ongororo yechishanu yekudzivirira dumping yekupedzisira ye carbon steel butt-welded pipe fittings (CarbonSteelButt-WeldPipeFittings) dzakatorwa kubva kuChina, Taiwan, Brazil, Japan neThailand dzichapedziswa. Kana mhosva ikamiswa Mabasa ekudzivirira dumping munyaya iyi achaita kuti zvinhu zviri mumhosva zviraswe muChina pachiyero che182.90% kana kuti pave nezviitiko, chiyero chedumping yezvigadzirwa zviri mumhosva muChina chichaenderera mberi kana kuitika, uye dumping yezvigadzirwa zviri mumhosva ichaenderera mberi kana kuitika pachiyero chedumping ye87.30% ne52.25%. Dumping yezvigadzirwa zviri mumhosva yakaramba kana kuitika pachiyero chedumping ye65.81%, uye dumping yezvigadzirwa zviri muThailand yakaramba kana kuitika pachiyero chedumping ye52.60%. I7307.93.30.

Musi wa12 Zvita 1986, United States yakaisa zviri pamutemo mutero wekudzivirira dumping pamidziyo yepombi yakasungirirwa pabutt-welded steel inobva kuBrazil neTaiwan, China. Musi wa10 Kukadzi 1987, United States yakaisa zviri pamutemo mutero wekudzivirira dumping pamidziyo yepombi yakasungirirwa pabutt-welded steel inobva kuJapan. Musi wa6 Chikunguru 1992, United States yakaisa zviri pamutemo mutero wekudzivirira dumping pamidziyo yepombi yakasungirirwa pabutt-welded steel yakatanga kuChina neThailand. Kubva ipapo, US yaita ongororo ina dzekuvira kwezuva, musi wa6 Ndira 2000, Mbudzi 21, 2005, Kubvumbi 15, 2011, uye Nyamavhuvhu 23, 2011. Kusimbiswa nekuziviswa kwakaitwa ka4. Musi wa1 Chikunguru 2021, Dhipatimendi reCommerce reUS rakaburitsa kuferefeta pamusoro peongororo yechishanu yekudzivirira dumping sunset yemidziyo yepombi yakasungirirwa pabutt-welded steel yakatorwa kubva kuChina, Taiwan, Brazil, Japan neThailand.