Core Viewpoint - The successful industrialization of the high-end tire barrier material DVA by Shandong Daon Polymer Materials Co., Ltd. and Linglong Tire marks a significant breakthrough in the rubber new materials sector, overcoming long-standing technological monopolies by European and American companies [2] Group 1: DVA Material Development - DVA is a new high-performance dynamic vulcanized alloy material for tire airtight layers, offering 7 to 10 times the airtightness of traditional materials while being lightweight, which significantly reduces rolling resistance and enhances fuel efficiency for vehicles, especially electric ones [2] - The collaboration between Linglong and Daon began in 2020, focusing on addressing the unique challenges of DVA material, particularly its difficulty in adhering to tire inner walls due to its smooth surface [2] Group 2: Innovation and Collaboration - The breakthrough in DVA's industrialization was achieved through a unique process developed by Linglong and Daon, which included the invention of a dual continuous non-homogeneous cross-linking structure and an innovative online film application technology [2] - This collaboration has positioned Linglong as a central hub in the "material-process-product" transformation chain, driving the development and industrialization of various high-tech materials, including graphene tires and bio-based rubber tires [2] Group 3: Industry Impact - The successful commercialization of DVA technology signifies a shift in the Chinese tire industry from mere product manufacturing to a system-driven approach that integrates material and process innovation based on end-user demands [2] - Linglong's role as a key integrator in the innovation and industrial chain highlights its commitment to transforming cutting-edge technologies into reliable high-performance products for the market [2]

Group 1 - The core achievement highlighted is the "High-end Tire Barrier Material DVA," which is the only project listed in the rubber new materials category among the top ten technological innovations in Shandong Province for 2025 [1][9]. - The project is developed by Shandong Daon High Polymer Materials Co., Ltd., successfully breaking the long-standing technological monopoly of European and American companies in the high-end tire materials sector [3][11]. - Linglong Tire plays a crucial role as a key promoter and implementer in the application transformation of DVA materials, facing numerous challenges since the technology was proposed in 2008 [5][13]. Group 2 - In 2020, a formal collaboration between Daon and Linglong was initiated, leading to adjustments in research and development strategies [7][15]. - The research team invented a "double continuous non-homogeneous cross-linking structure" and overcame critical steps in online film application and molding processes [7][15]. - By 2025, tires equipped with the jointly developed DVA materials entered the batch road testing phase, with multiple tests indicating that the product consistently meets expected performance indicators, marking a new stage in the industrial application of DVA technology [9][17].