2006 International Symposium on Asphalt Modified Agent was held in Shanghai . The theme of the conference is “environmental protection, energy conservation, cost reduction, efficiency promotion”. According to the distribution branch company of China Petroleum & Chemical Corporation, the entrepreneur of the conference, the Eastsea asphalt has mounted the front in the field around the world, whose products include more than 50 kinds, such as modified asphalt, colour asphalt and so on. The annual output is 4.7million tons.