
Defu Technology: The company's independently developed 3um ultra-thin carrier copper foil and others have been stably supplied in bulk
On October 20th, Defu Technology stated on the interactive platform that the company's independently developed 3um ultra-thin carrier copper foil, RTF1-3 generation copper foil, and HVLP1-3 generation copper foil have all achieved stable mass supply, realizing domestic substitution of these products

