SID - Brazil steel companies sink after government renews tariff system May, 28 2025 11:38 AM Companhia Siderurgica Nacional S.A. 2025-05-28 11:38:08 ET More on Companhia Siderurgica Nacional and Gerdau Companhia Siderúrgica Nacional: This Is How Tariffs Affect The Company Companhia Siderúrgica Nacional Q1 2025 Earnings Call Presentation Gerdau Q1 Earnings: Upside Is Interesting, But There Are No Triggers For further details see: Brazil steel companies sink after government renews tariff system