沃顿科技(000920.SZ)：质子交换膜是公司前瞻性研究领域之一，目前处于基础研究和试验性生产阶段

Group 1 - The core viewpoint of the article is that Wharton Technology (000920.SZ) is currently engaged in foundational research and experimental production of proton exchange membranes, which are considered a forward-looking research area for the company [1] - The company indicates that the commercialization of this technology remains uncertain as it is still in the stage of technological reserve projects [1]