In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for a central coiling equipment for the production process of PTFE proton exchange membranes. This equipment is designed specifically for polytetrafluoroethylene (PTFE) proton exchange membranes, aiming to improve the tension uniformity and overall product quality during the membrane material winding process.
This patent application reflects the company's continuous innovation in functional film production equipment, helping to improve the automation and stability of high-performance material manufacturing.
