Xu Jianzhong

Xu Jianzhong is not mentioned in either of the provided news articles. Therefore, it's impossible to provide any information about them based on the given context. The articles focus on China's advancements in energy storage technology exports and the development of a new type of air-breathing engine for fighter jets and hypersonic missiles. The first article discusses the increasing export value of Chinese inverters, driven by global demand for energy independence. The second article details the development of a "contra-rotary ramjet engine" designed for high-speed flight in next-generation aircraft and missiles. Neither article provides any information that would allow for a summary of Xu Jianzhong's background, recent activities, or relevance.