NSEN Valve has been focusing on providing a high-quality butterfly valve for 38 years until 2020.

Our main product is the Bi-directional metal seated butterfly valve, the most advantage of our structure is could ensure the sealing performance of the unpreferred side as good as the preferred side.

More introduction about this series please check our product Metal Seated Bi-directional Butterfly Valve 

With over 30 years experience, we believe NSEN could take care your special request on butterfly valve