Since its establishment in 1987, Daejeong Valve has grown to become a valve manufacturer that specializes in technical skills and the best quality. Under substantial management, our products are always doing our best to obtain domestic and international standards KS, API, ISO CE and provide better products to our customers. As a result, High Performance Butterfly Value and Aluminum Butterfly Valve have the best quality in Korea and are exported to the world market as a unique brand named MAX - SEAL. The slogan MAX-SEAL! MAX-TORQUE! MAX-QUALITY!  is our belief that quality and customer satisfaction are always a priority. Companies that are recognized around the world for their continuous investment and active market development! I will try to be the Daejeong Valve with the customer at all times.