In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for PTFE proton exchange membrane extrusion screw used in the field of protective clothing. This technology is aimed at the extrusion molding process of polytetrafluoroethylene (PTFE) proton exchange membranes, aiming to improve the stability of material processing and the quality of finished products, and meet the strict requirements of protective clothing for membrane materials.
Through the research and application of patented technology, the company actively lays out equipment related to functional protection materials, promoting the improvement of manufacturing capabilities for new high-performance materials.
