OVM is now a leading product supplier and specialist contractor in China in the field of prestressing and other special construction techniques. Enjoying with a high reputation on its reliability, professionalism and innovation, OVM's series technology and products have successfully applied on numerous projects, including of bridges, highways, high-speed railways, buildings, dams, nuclear power plants, LNG, and have achieved worldwide acknowledgments. VM focuses on developing outstanding prestressing technology and building up renowned brand in civil engineering field. As the biggest supplier in China, OVM provides a big inventory of prestressing systems including 5 categories, 30 series and more than 420 types of products, i.e.: I. OVM Post-tensioning Systems II. OVM Cable Systems (MS & PWS Cables) III. OVM Construction Solutions (Incremental Launching, Turning and Heavy Lifting) IV. OVM Bearings & Expansion Joints V. OVM Monitoring Systems