Raw Materials Pvc Resin SG-3, SG-5 and SG-8 Brass Rods / Brass Ingtos Copper Inductors Aluminium Alloys Lead Alloys Polyester Resin Eterset 2112 AP Copper Cathodes Copper Wire Zinc Cadmium Portland Cement White Portland Cement Copper Tubes Silfuric Acid Ammonium Perrhenate Zinc powder Commercial Selenium Zinc Sulfate Copper Sulfate Cinder of the molybdenum intermediate product