Core Viewpoint - A Taiwanese semiconductor materials manufacturer, 瑞升金属工业, has unexpectedly ceased operations due to financial difficulties exacerbated by U.S. tariff policies and tightening bank credit [1] Company Summary - 瑞升金属, founded in 1974, announced its closure on August 12, 2023, citing an inability to continue operations due to financial challenges [1] - The company had previously warned in May 2023 about the impact of rising global transportation costs, geopolitical tensions, and U.S. tariff policies, predicting a potential 20% increase in raw material and consumer goods prices [1] - 瑞升金属's product lines include electronic-grade solvents, lead and lead-free solder bars, solder balls, solder powder, solder wire, solder paste, special alloys, and semiconductor-related materials such as phosphor copper balls and oxygen-free copper blocks [1] Industry Summary - The traditional manufacturing sector, particularly small and medium-sized enterprises in automotive components and machine tools, is expected to be most affected by U.S. tariffs [1]