TTV JC Group is a well-known valve manufacturer in Spain, with operations in many countries around the world. The operational system of TTV began in the 1980s. Joint services provide valves and control devices of all models and ranges. The product quality standards are widely recognized by relevant departments in Europe and America. TTV butterfly valves are widely used in transformers in the power industry. The valve is maintenance free. In recent years, our company has sold nearly 100000 butterfly valves to the domestic power industry, and customers are very satisfied with the quality of the products.