Core Viewpoint - Longhua Technology (隆华科技) is leveraging PMI foam in aerospace applications, specifically for the thermal insulation core structure of fairings, providing a reliable solution for thermal protection during high-speed impacts [1] Group 1: Product Advantages - PMI foam offers inherent advantages such as lightweight, high rigidity, high thermal conductivity, and low expansion rate, which contribute to significant weight reduction of fairings and stable engine operation [1] - The use of PMI foam in the insulation core layer of fairings enhances thermal insulation and noise reduction during severe landing impacts, thereby improving system reliability [1]