This multibagger iron & steel company receives full ISI marking range with BIS License! This multibagger iron & steel company receives full ISI marking range with BIS License! The company has delivered returns of 24.7 per cent over the past 1 year and stellar returns of 229 per cent over the last 3 years. Siddharth Mane / Thursday, June 15, 2023 / Article rating: 3.9 The company ranks among the world's largest welded line pipe manufacturers.