includes National Standard Class I, II, and III TPU interlayer films, TPU masterbatch and granules, and EVA films for architectural glass. These materials are designed for transparent assemblies in aerospace, armored vehicles, naval vessels, high-speed rail windshields, bullet-resistant and impact-resistant glass, and high-end architectural safety glass. Shengding Hightech Materials also operates an R&D center and testing facilities that support development and qualification of aerospace and defense-related film technologies.