In 2012, influenced by changes in economic development cycles domestically and internationally and the market supply & demand, international crude oil prices largely fluctuate. Prices of PX, the raw material of polyester, tremendously change.

Seen from regional characteristics of China's nonferrous metal industry, in terms of production, Henan, Yunnan, Hunan, Shandong and Inner Mongolia are five key regions for the production of China's nonferrous metals.