On September 15, GDCH Electronic Materials Technology Group, China's leading high-precision and ultra-thin copper foil for lithium batteries, and TWS headset high-precision electronic copper foil manufacturer, released a new generation of ultra-thin copper foil products: 4.5μm Ultra-thin Copper foil for lithium batteries.
This is the fifth manufacturer in China to achieve commercial production of 4.5μm ultra-thin Copper foil.