In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for a coiling equipment for PA6 composite materials used in solid-state batteries. This device is designed specifically for the winding process of battery materials, improving the uniformity and stability of material winding, and facilitating quality control in the production of solid-state battery materials.
This patent application reflects the company's technological layout in the field of new energy materials and equipment, supporting the technological development of the battery industry chain.
