全柴动力：质子交换膜和膜电极等产品处于测试验证和试产试销阶段

Group 1 - The core viewpoint of the article is that QuanChai Power (全柴动力) is developing hydrogen fuel cell products through its subsidiary Yuanjun Hydrogen Energy, which are applicable in various fields such as buses, forklifts, and energy storage, but have not yet achieved commercial application [1] - The hydrogen fuel cell products, including proton exchange membranes and membrane electrodes, are currently in the testing and trial production stages [1]