... into reactor, close feeding door. secondly, burned the fuel material(coal,or wood,or natural gas , ... save your energy. Only the first 2 hours use energy for heating. After the first 2 hours mainly use gas ... wire out. Then u can start the next batch. 2.The usage of final production -----FUEL OIL ... 250RMB7Yearly Net Profit225,250RMB×10=2,252,500RMB 10 tons used tyre retreading machine with CE certificate