YA.YA is the former Shenyang Third Valve Factory transformation enterprise, specializing in wear-resistant and corrosion-resistant rubber-lined valves and pipeline production, the products cover butterfly valves, rubber-lined gate valves, etc., with a number of patented technologies. Its rubber lined pipelines and slurry valves are widely used in metallurgy, mining and other industries, known for high wear and corrosion resistance. The company adopts new technology to produce steel rubber composite pipe and polyurethane, providing professional solutions for domestic and foreign customers.