The ibr approved flanges manufacturer in India complies with all these regulations set by the Central Boilers Board. The regulations are reviewed and updated to align with the changing boiler technology. Rishabh Steel Industries is Exporters of Stainless Steel, Carbon Steel, Alloy Steel, High Nickel Alloy for Sale in India, we are Trader, Stock holder, Importer, Dealer of Duplex Steel, Super Duplex Steel, 904L Stainless Steel