We Joy Krishna Engineering Works is leading S.S.I. unit of Howrah Kolkata India having ISO: 9001:2008 certifications from D.N.V and NSIC registered unit Manufacture of Cast Iron Plate Check Valves As per Api 594 (Wafer - Flanged ) Type.We fabricate a wide range of Check Valves which includes swing check valves, ball check valves and many more valves. These Cast Iron Plate Check Valves manufactured by us are made from the best of the metals. The designs of these Cast Iron Plate Check Valves are completely unique in comparison to other available in the market which directly increases its efficiency. These Cast Iron Plate Check Valves even work properly under tough and unyielding condition. These things make our products stand a way ahead of others available. We have a special quality analysis department which checks the quality. This has made us the most prominent wafer check valves manufacturer and suppliers in India.