‘OIO’ Brand ‘IACS’ Approved Marine Valves, Cocks, Strainers & Deck Machinery Manufacturer.

Founded in 1990 M/s. M.SARKAR & BROTHERS (MSB) has continuously produced high quality valves under the Registered Brand Name of ‘OIO’ for industrial and commercial applications.
Later on expanded activities build up own house Non - Ferrous Foundry for Mfg. IACS Approved Marine Valves. Due to exceptional quality and competitive prices, some of the well-known SHIP/BOATBUILDERS, NAVY/COAST GUARD CONTRACTORS are our regular buyers. This was possible due to employing advanced manufacturing processes that include casting, machining, assembling and testing facilities to meet high quality standards of the demanding modern Shipbuilding industries according to International standards.