MK CHEM & TECH

Nickel; nickel and its alloys; aluminium and its alloys; castings of copper or its alloys; rolled drawn or extruded semi-finished articles of unrefined copper; silver plated tin alloy; tin; castings of tin or its alloys; tin and its alloys; rolled drawn or extruded semi-finished articles of unrefined tin; unwrought or semi-wrought brass; unwrought or semi-wrought non-ferrous metals; plated steels; alloys of common metal; unwrought or semi-wrought steel; unwrought or semi-wrought iron; unwrought or semi-wrought common metals