Voneseals combines advanced engineering expertise with a global manufacturing footprint. Supported by production facilities in Jiashan, Shanghai, Guangzhou, and Saudi Arabia, as well as three dedicated laboratories, we provide integrated capabilities in material development, product design, testing, and application engineering. Through continuous innovation and rigorous validation, we deliver reliable sealing solutions that help customers improve performance, efficiency, and durability across a wide range of applications.
01 / Engineering
Engineering centres of excellence
Voneseals maintains an ongoing R&D program managed by a team of professional engineers. The program is dedicated to enhancing the quality of existing sealing products, developing new sealing solutions for modern hydraulic equipment and industrial applications, and creating innovative sealing solutions for the Group’s markets. Engineers utilize state-of-the-art sealing material technologies and engineering analysis methods to develop and improve products. All Group companies employ a unified platform that closely integrates design and manufacturing, including CAD, PLM databases, and FEM (structural analysis).
02 / R&D
Continuous innovation
Voneseals has consistently invested in technological innovation, developing high-performance sealing solutions based on proprietary polyurethane materials. By optimizing materials and designs, Voneseals delivers seals that enhance equipment reliability, extend service life, and reduce maintenance costs.
Building on this expertise, Voneseals is advancing toward solution-oriented services, providing integrated sealing systems tailored for construction machinery, industrial equipment, and automation applications. These innovative systems help customers monitor performance, manage component longevity, and lower total cost of ownership.
03 / Material
Material Innovation
Voneseals features a full-scale material R&D system for polyurethane, specialty rubber and engineering plastics. Our proprietary TecThane® polyurethane overcomes PPDI technical barriers, operating stably from -40℃ to 110℃ with 30% extended service life. We also provide HNBR, FKM, FFKM, PEEK and PTFE for harsh working conditions. With robust material expertise and complete solutions, we lead the import substitution of high-end sealing products.
