Raw Materials Pvc Resin SG-3, SG-5 and SG-8 Polyester Resin Eterset 2112 AP Lead Alloys Aluminium Alloys Brass Rods / Brass Ingtos 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 Commercial Tellurium
