Dismantling, processing and supplying of imported copper scrap, aluminum scrap, zinc scrap, iron and steel scrap and plastics scrap;
         Dismantling, processing and supplying of domestic copper scrap, aluminum scrap, zinc scrap, iron and steel scrap;
         Manufacturing, processing and supplying of recyclables;
         Dismantling, processing and supplying of waste electrical and electronic equipment;
         Dismantling, processing and supplying of used vehicles;
         Processing and supplying of rubber scrap;
         Research on exploitation of solar energy, wind energy, marine energy and other new energy sources;
         Processing and supplying of plastic scrap

         Strategic objectives have been defined to turn Chang San Jiao Eco-industrial Park into a state-level diversified-operation industrial park with a sound development structure featuring high scientific and technological content, low resources consumption and little environmental pollution, and with its profits and taxes generated reaching over 15 billion yuan and overall industrial strength amounting to 50 billion yuan.