BELL-O-SEAL VALVES PRIVATE LIMITED, an ISO 9001 - 2000 TUV certified and CE (TUV Certified) company that owns and markets 'BOS' brand Bellow Seal Valves, which was established in the year 1987-88 from a rich heritage of human technical resources culminating in the design and manufacture of Bellow Seal Valves with high Indigenous Technological content and as an import substitute product for specific applications. The company was then floated as a proprietary concern under the head of ELECTRO-MECH INTERNATIONAL. With growing demands, the company then formed a private limited concern viz. BELL-O-SEAL VALVES PRIVATE LIMITED in the year 1992. With a humble beginning the company has now moved from strength to strength under the banner of BELL-O-SEAL VALVES PRIVATE LIMITED.