全柴动力：控股子公司元隽氢能的质子交换膜、膜电极等产品拥有自主知识产权

Group 1 - The core viewpoint of the article is that Chaochai Power has confirmed the proprietary technology and multiple national patents for its subsidiary Yuanjun Hydrogen Energy's products, including proton exchange membranes and membrane electrodes [2] Group 2 - Chaochai Power's subsidiary, Yuanjun Hydrogen Energy, is focused on developing hydrogen energy technologies [2] - The company emphasizes its commitment to innovation through its proprietary intellectual property in the hydrogen energy sector [2] - The announcement was made in response to investor inquiries on an interactive platform, highlighting the company's transparency and engagement with stakeholders [2]