Amar Trades Limited, Kolkata, (Ferro Vanadium, Ferro Molybdenum, Ferro Boron, Ferro Tungsten, Ferro Titanium, L. C. Ferro Manganese, M. C. Ferro Chrome, M. C. Ferro Chrome, Extra Low Carbon Ferro Chrome, Ferro Niobium, M. C. Ferro Aluminium, Ferro Silicon, Aluminium Notch Bar, Aluminium Shots)