With years of experience in the line of sanitary butterfly valves, we have established ourselves as one of taiwan\'s leading brands. our sincerity and hard work has helped us to match our quality with international standards. we produce best quality butterfly valves to meet the needs of our valued customers.\nbutterfly valves : clamp end , weld type & male end, ss304 , 316, 316l material , mainly two types-4 position & 12 position handle available .