昊华科技：公司生产聚四氟乙烯产品，其中部分品类属公司高端氟材料产品系列

Group 1 - The core point of the article is that Tsinghua University has successfully developed a flexible framework for solid-state battery nano-composite electrolytes, which raises questions about the production of polytetrafluoroethylene (PTFE) by Haohua Technology [2] - Haohua Technology confirmed on the investor interaction platform that it produces polytetrafluoroethylene products, with some categories belonging to the company's high-end fluorine material product series [2]