中美在西班牙举行经贸会谈，将讨论美单边关税措施、滥用出口管制及TikTok等问题

Group 1: US-China Trade Talks - The US and China held trade talks in Madrid on September 14, focusing on issues such as unilateral tariffs, export controls, and TikTok [1][2][3] - The talks are seen as an opportunity to extend the truce in the ongoing trade war, which has impacted the global economy [3] - The US announced sanctions against 32 entities, including 23 from mainland China, prior to the talks, indicating stricter export controls on advanced chips [4][5] Group 2: China's Response - China initiated two investigations against the US, including a discrimination investigation related to integrated circuits and an anti-dumping investigation on imported simulation chips from the US [6][7] - The anti-dumping investigation was prompted by a significant increase in imports from the US, with a reported cumulative growth of 37% from 2022 to 2024, while prices dropped by 52% [7][8] - The Chinese Ministry of Commerce emphasized that the US's actions are seen as a form of unilateralism and bullying, which distorts the global market and harms legitimate business interests [5][6] Group 3: Implications for Semiconductor Industry - The semiconductor industry is particularly affected, with the US imposing stricter controls on high-end chips while simultaneously engaging in price dumping of simulation chips [4][8] - The investigation into simulation chips highlights the significant market share of US imports in China, which rose from 47.81% in 2022 to 62.14% in 2024 [8] - The ongoing trade tensions and investigations are expected to impact the stability of the global semiconductor supply chain [6][8]