Dragon Electric-Huaxin recently announced that its subsidiary Baoxin Technology has successfully put its first roll of 70,000 meters of 4.5μm ultra-thin lithium-ion copper foil into production, achieving a major breakthrough in technology and process. It has become the first enterprise in China that can mass produce ultra-long 4.5μm ultra-thin lithium-ion copper foil.

It is reported that Baoxin Technology is one of the important electrolytic copper foil production bases under the control of Long Electric-Huaxin. It is a national high-tech enterprise and an ultra-thin high-performance lithium-ion copper foil intelligent factory. The 4.5 micron foil machine currently produced has reached more than 40 sets. The technology is mature and has the ability to mass produce ultra-long meters stably.