中上协：上半年光模块上市公司净利润翻倍、PCB上市公司净利润增长近50%

Group 1 - The manufacturing industry shows signs of recovery with a year-on-year revenue growth of 4.73% and net profit growth of 7.75% in the first half of the year [1] - Advanced manufacturing sectors such as military, new energy, and medical devices experience strong raw material demand, contributing to revenue growth rates of 6.49% and 10.10% for non-ferrous metals and plastic products, respectively [1] - Net profit growth for non-ferrous metals and plastic products stands at 36.55% and 19.59%, respectively, indicating robust performance in these sectors [1] Group 2 - The optical module and PCB industries benefit from a favorable downstream economic cycle, particularly due to the expansion of overseas customer businesses, resulting in high order volumes [1] - Net profit for optical module listed companies has doubled, while net profit for PCB listed companies has increased by nearly 50% [1]