德福科技：公司目前电解铜箔总开工率已达100%满产状态，经营状态良好

Group 1 - The core viewpoint of the article is that Defu Technology (301511.SZ) has achieved full production capacity in its electrolytic copper foil business, indicating a strong operational status [2] Group 2 - The company's electrolytic copper foil total operating rate has reached 100%, reflecting a robust performance in its operations [2]