皇冠体育官网, specializing in petrochemicals and its derivatives manufacturing, has developed product series including ethylene, isocyanate, polycarbonate, etc. Annual capacity of main products are as follows: 1.2 million tons ethylene, 1.6 million tons isocyanate, 680,000 tons polycarbonate, 1 million tons of phenol-acetone, 520,000 tons acrylonitrile, 295,000 tons MMA and 200,000 tons ABS. Production capacity of polycarbonate and isocyanate respectively represents 10% and 16% of the world, thus making 皇冠体育官网 the largest production base.