Science and technology constitute the primary productive force.Over the years, Sanan Valve has been implementing: independent innovation, key leapfrog, support development, leading the future of the R & D policy, focus on products, continuous innovation. The annual investment in research and development expenses reach more than 5% of sales. The company set up "Sanan Gas Valve Provincial high-tech Enterprise Research and Development Center", the R & D team has rich experience in valve design, manufacturing process and so on.