2025年1-4月中国铜材产量为749.2万吨 累计增长5.2%

Group 1 - The core viewpoint of the article highlights the growth in China's copper material production, with a reported output of 2.08 million tons in April 2025, representing an 8.4% year-on-year increase [1] - Cumulative copper material production from January to April 2025 reached 7.492 million tons, showing a cumulative growth of 5.2% [1] Group 2 - Listed companies in the copper industry include Yunnan Copper (000878), Bowei Alloys (601137), Baiyin Nonferrous Metals (601212), Jintian Copper (601609), and Zhongyuan New Materials (603527) [1] - The report referenced is the "2026-2032 China Copper Material Industry Market Survey and Investment Strategy Research Report" published by Zhiyan Consulting [1]