1.22 years oil refining history 2.automatic operation 3.High oil output 48 ... wire .then can start to another batch working. 2.The usage of final production-----FUEL OIL fuel ... Profit9,010RMB×25=225,250RMB7Yearly Net Profit225,250RMB×10=2,252,500RMB3. Our equipment has lot's of advantages ... pressure gauges,alarms,safety valves and vacuum machine.2>energy conservation: recycling of exaust gas and science ...