Yn ôl ystadegau, yr Unol Daleithiau a fewnforiwyd o gwmpas 13,600 tunnell o alwminiwm diwydiannol ym mis Medi, gollwng heibio 2.9% o'i gymharu â'r mis blaenorol ond yn codi o flwyddyn i flwyddyn.

Yn eu plith, the imports from Canada increased by 4.01% i 10,200 tunnell, and those from Mexico slid by 20.7% i 3,200 tunnell, both month on month.

In the first three quarters of this year, the US’s industrial aluminum imports amounted to approximately 128,100 tunnell, a year-on-year increase of 18.3%.