由于美国关税威胁抑制需求，巴西生铁生产商或停产

Core Viewpoint - Brazilian pig iron producers are considering halting operations due to reduced demand from U.S. customers caused by tariff threats [1] Group 1: Company Responses - Modulax's CEO, Geraldo Basques, announced that the company will cease operations next week and plans maintenance work later this year, with no set date for resuming production due to trade concerns [1] - Competitor Css Siderurgica Setelagoana stated that it is currently operating using raw material inventory while awaiting clarity on tariff situations, but may be forced to stop production once the inventory is depleted [1] Group 2: Market Context - The U.S. is the largest buyer of Brazilian pig iron, making the market highly sensitive to tariff changes [1] - President Trump has threatened to impose a 50% tariff on Latin American countries starting August 1, which has heightened uncertainty in the trade environment [1]