The company mainly produces, processes and sells purified terephthalic acid, polyester chips, chemical fiber and other related chemical products and raw and auxiliary materials (purified terephthalic acid, PTA for short, is the main raw material for producing polyester). The first phase of PTA project with an annual output of 600,000 tons, with a total investment of 2.43 billion yuan, is located in Binhai Industrial Zone, Shaoxing County, Zhejiang Province, covering an area of about 1.08 million mu. The project started construction in February 2003. After 24 months' efforts, the whole process was completed at one time on March 3, 20051day, and qualified PTA products were successfully produced. This project is the first 600,000-ton PTA plant in China and the largest single-line PTA plant in China. For the first time in China, the internationally leading Eastman process technology was adopted, and the construction goals of minimum investment of 10,000 tons, shortest construction period, best treatment of three wastes and most beautiful environmental layout were basically achieved.