Sponsored by Ministry of Environmental Protection, National Development and Reform Commission, the Ministry of Science and Technology, Ministry of Industry and Information, Ministry of housing and urban-rural development and Beijing municipal government, 12^nd China international Environmental Protection exhibition opened at China International Exhibition Center, Beijing on June 7^th 2011, undertaken by China Association of Environmental Protection Industry.   

With a theme of energy-saving and low-carbon economy, this exhibition focused on promotion of advanced environmental technologies and new invents, based on the environmental target of National Twelfth Five-Year Plan. With the purpose of highlighting the irreplaceable role of  ZhongguancunScience and Technology Park in development of advanced technology, enhancing the stable development of Green energy business in Zhongguancun Science and Technology Park, Zhongguancun municipal government carefully selected 30 companies and presented a characteristic theme exhibition.

As a leader in Green energy business nationally, Beijing Tuofeng Technology development Co., Ltd demonstrated its self-developed Polyfilm Condensate Oil & Iron Removal System on this exhibition. This direct participation fully proved that Polyfilm Condensate Oil & Iron Removal System had won an influential reputation in the state level.