德福科技：新增10亿元投资特种铜箔研发生产车间等项目

Core Viewpoint - Defu Technology (301511) has signed a supplementary contract with the Jiujiang Economic and Technological Development Zone Management Committee to increase investment in special copper foil production due to technological upgrades [1] Group 1 - The company will add an investment of 1 billion yuan to the existing project investment as per the supplementary contract [1] - The new investment will be used to construct research and production workshops for carrier copper foil, embedded resistance copper foil, and high-frequency high-speed copper foil [1] - The implementation of this project will take place within the company's controlling subsidiary, Amber New Materials [1]