2025年1-4月全国黑色金属冶炼和压延加工业出口货值为635.6亿元，累计下滑5.5%

Group 1 - The article discusses the performance and export value of China's black metal smelting and rolling processing industry, highlighting a slight increase in export value in April 2025 compared to the previous year [1] - In the first four months of 2025, the cumulative export value of the black metal smelting and rolling processing industry was 635.6 billion, showing a year-on-year decline of 5.5% [1] - The report cites data from the National Bureau of Statistics, indicating that the export value for April 2025 was 16.8 billion, reflecting a growth of 0.5% year-on-year [1] Group 2 - The article references a market research report by Zhiyan Consulting, which provides a comprehensive analysis and investment outlook for the black metal mining and selection industry in China from 2025 to 2031 [1] - Zhiyan Consulting is described as a leading industry consulting firm in China, specializing in in-depth industry research reports, business plans, feasibility studies, and customized services [1] - The firm emphasizes its commitment to providing quality services and market insights to empower investment decisions [1]