Sebtembar 17, 2021, Waaxda Ganacsiga ee Mareykanka ayaa soo saartay ogeysiis sheegaya in dib u eegistii ugu dambeysay ee shanaad ee ka hortagga qashin-qubka ee qalabka tuubooyinka birta kaarboon-ka ah ee laga soo dejiyo Shiinaha, Taiwan, Brazil, Japan iyo Thailand la soo gabagabeyn doono. Haddii dambiga la joojiyo. Waajibaadka ka hortagga qashin-qubka ee kiiskan waxay keeni doonaan in alaabta ku lug leh kiiska lagu shubo Shiinaha heer qashin-qubka ah oo ah 182.90% ama dhacdo kiisaska, heerka qashin-qubka ee alaabta ku lug leh kiiska ee Shiinaha ayaa sii socon doona ama dhici doona, qashin-qubkana wuxuu sii socon doonaa ama dhici doonaa heer qashin-qubka ah oo ah 87.30% iyo 52.25%. Qashin-qubka alaabada ku lug leh kiiska ayaa sii socday ama dhacay heer qashin-qubka ah oo ah 65.81%, heerka qashin-qubka ee alaabada ku lug leh Thailand ayaa sii socday ama dhacay heer qashin-qubka ah oo ah 52.60%. Waa 7307.93.30.

Diseembar 12, 1986, Mareykanka wuxuu si rasmi ah canshuuro ka-hortagga qashin-qubka ku soo rogay tuubooyinka dabada kaarboonka ee laga soo bilaabo Brazil iyo Taiwan, Shiinaha. Febraayo 10, 1987, Mareykanka wuxuu si rasmi ah canshuur dhammaystiran oo ka-hortagga qashin-qubka ugu soo rogay tuubooyinka dabada kaarboonka ee laga soo bilaabo Japan. Luulyo 6, 1992, Mareykanka wuxuu si rasmi ah u soo rogay canshuur dhammaystiran oo ka-hortagga qashin-qubka ah oo ku saabsan tuubooyinka dabada kaarboonka ee ka bilaabmay Shiinaha iyo Thailand. Tan iyo markaas, Mareykanku wuxuu sameeyay 4 dib u eegis qorrax dhaca, Janaayo 6, 2000, Noofambar 21, 2005, Abriil 15, 2011, iyo Agoosto 23, 2011. Xaqiijinta iyo ku dhawaaqista waxaa la sameeyay 4 jeer. muddada. Luulyo 1, 2021, Waaxda Ganacsiga ee Mareykanka waxay soo saartay baaritaan ku saabsan dib u eegista shanaad ee ka-hortagga qorrax dhaca ee tuubooyinka dabada kaarboonka ee laga soo dhoofiyay Shiinaha, Taiwan, Brazil, Japan iyo Thailand.