By THE PULSE NEWS MEXICO STAFF In what constitutes the first formal complaint against Mexico for violations of the United States-Mexico-Canada Agreement (USMCA), the Canadian-owned Tridonex auto parts corporation filed a legal protest against the workers union at the company’s Matamoros, Tamaulipas, plant, on Tuesday, May 11. Tridonex, which is headquartered out of Philadelphia, Pennsylvania, filed the complaint under the