Allwyn Entterprise has BIS ( ISI ) licence CM/L No 7200088611 as per IS 13095:1991. ( ISI Marked Product ) Allwyn Entterprise, an ISO 9001-2008 Certified Company, is one of the leading manufacturer and exporter BUTTERFLY VALVE. We provide finest quality standard valves manufactured with advanced manufacturing facilities and latest modern technologies. Industrial valves are manufactured as per the latest National and International standards and designed with advanced manufacturing techniques and stringent quality checks. we are OEM supplier in Drip Irrigation And fire fighting system.