NSEN valve focusing on butterfly valve for 38 years since 1983, we participated in drafting butterfly valve standard last year.

It’s a great honor for our company and also espire us to open a new page for the bright future.

NSEN work so hard, try to be a valve brand that customer could trust, we are always welcome you to visit our contact us at any time! 

For the domestic business please contact us at telephone ：0577-57757777

For the international business please contact us at phone: +13736963322 or right email to info@nsen.cn