Zhejiang Beize valve manufacturing Co.,Ltd. specialize in valves field for 25years, with leading advantage in butterfly valve, check valve, and so on . our products are mainly serve for our government and big projects in our China.Many famous valve manufacturer moves their orders to us. we also export products to all over the world ,Such as German ,Finland ,Brazil ,South Africa,Russia ,Philippines and so on . the customer prefer our good quality,long service life and competitive price very much . we could manufacture butterfly valves extent dimension ,from DN 50----3500,and the class from 150LB---600LB.Sincerely hope our valve could serve you . More information ,please feel free to contact . we are always here ready to serve you