Welcome to Calcutta Metal Depot In our product range, we also offer Antimony, Nickel, Zinc Ingot, Copper, Selenium Metal Powder, Ferro Manganese and Ferro Phosphorous. We offer our products in Kolkata, West Bengal, India. In our product range, we also offer Antimony, Nickel, Zinc Ingot, Copper, Selenium Metal Powder, Ferro Manganese and Ferro Phosphorous. We offer our products in Kolkata, West Bengal, India.