We VALVCO International an An ISO 9001:2008 Co. are pleased to introduce ourselves as Manufacturers of all types of “Qinn” Brand Industrial Valves, Boiler mountings, Steam Valves (IBR Certified), Gate Globe & Check Valves (ISI Marked), Butterfly Valves(ISI Marked), Cocks, Marine Valves, Electrical Transformer Valves and other fluid line fittings in Bronze/Gunmetal, Cast Iron, Cast Steel, Stainless Steel etc.