Na Febụwarị 24, 2022, Canadian Border Service Agency (CBSA) mere mkpebi ikpeazụ nke nyocha ọdịda ọdịda anyanwụ nke mbụ na-emegide nnukwu carbon carbon na alloy steel linepipe welded sitere na China na Japan, nyocha ọdịda ọdịda anyanwụ nke mbụ. e mere na nnukwu dayameta carbon alloy ígwè ọkpọkọ welded si China.Mkpebi ikpeazụ: ọ bụrụ na akagbuola ihe mgbochi mkpofu na mgbochi ugbu a, ntupu na enyemaka gọọmentị nke ngwaahịa ndị metụtara Canada ga-aga n'ihu ma ọ bụ megharịa.A na-atụ anya na Ụlọikpe Azụmahịa Mba Nile nke Canada (citt) ga-eme mkpebi ikpeazụ na mmebi ụlọ ọrụ site na nyocha abụọ mgbochi ọdịda anyanwụ tupu August 3, 2022. Usoro omenala nke ngwaahịa ndị metụtara tupu February 4, 2021 bụ 7305.11.00.22, 7305.11.00.23 , 7305.11.00.24, 7305.11.00.25, 7305.12.00.21, 7305.12.00.22, 7305.12.00.23, 7305.12.00.24, 9305.0.1. 7305.19.00.24 na 7305.19.00.25.Site na February 4, 2021, dị ka tebụl tarifu a degharịrị, koodu kọstọm nke ngwaahịa ndị metụtara bụ 7305.11.00.41, 7305.11.00.42, 7305.11.00.43, 7305.11.00.44, 1405.30.140.1405 7305.12.00.42, 7305.12 .00.43, 7305.12.00.44, 7305.12.00.49, 7305.19.00.22, 7305.19.00.23, 7305.19.00.24 na 7305.19.00.25.
Na Maachị 24, 2016, Canada gbara akwụkwọ nyocha mgbochi mkpofu n'elu ọkpọkọ ọkpọkọ carbon alloy welded buru ibu nke ebubata ma ọ bụ sitere na China na Japan, yana nyocha na-emebi emebi na ngwaahịa ndị metụtara ebubata ma ọ bụ sitere na China.Na Septemba 20, 2016, ndị ọrụ ókè-ala Canada mere mkpebi ikpeazụ na-akwado mgbochi mkpofu ngwaahịa na ngwaahịa ndị metụtara ikpe ahụ sitere na China na Japan, yana mkpebi ikpe ikpeazụ na-emegide ngwaahịa na-etinye aka na ikpe ebubata ma ọ bụ sitere na ya. China.Na Septemba 27 na 28, 2021, International Trade Tribunal of Canada (citt) na Canadian Border Service Agency (CBSA) wepụtara ọkwa n'otu n'otu iji duzie nyocha na nyocha ọdịda anyanwụ nke mbụ na-egbochi ọdịda anyanwụ na welded nnukwu dayameta carbon alloy steel ọkpọkọ sitere. sitere na ma ọ bụ bubata na China na Japan, yana nyocha na nyocha ọdịda anyanwụ ọdịda anyanwụ nke mbụ na ọkpọkọ ọkpọkọ carbon alloy nchara welded buru ibu nke ebubata na China.