As an important general engineering plastic, the consumption of polycarbonate has increased rapidlyChinarecent years. The annual consumption of polycarbonate has increased150 thousand tons2000 to 590 thousand tons2004,the average annual growth rate is up to 30. However, due to the fact that no large-scale production capacity has been formedChina, the importexport need to be made up every year,the contradiction between supplydemand is very prominent. However, China has begun to investthe Chinese polycarbonate industry. Although all the production capacity is taking time, experts believe that the short situation of short polycarbonateChina will be changedthe next few years.