According to customs data, in June 2025, China's copper wire and cable exports covered 29 provinces nationwide. Jiangsu Province ranked first with an export volume of 31,400 mt, followed by Guangdong Province (18,600 mt) and Zhejiang Province (17,200 mt), which were the top three. The combined exports of these three provinces accounted for over 50% of the national total, fully demonstrating the core supporting role of the Yangtze River Delta and Pearl River Delta regions in the field of copper wire and cable exports.