Being one of the important activities for the national energy saving propaganda week this year, 2002 China International Energy and Environment Exhibition and Symposium was open on November 5. The exhibition will be ended on November 8. During the exhibition, 12 special topic technological symposiums with rich contents will be sponsored. Energy and environmental protection and green Olympic Game of Beijing and others will be discussed and exhibited. 300 enterprises from home and abroad come to take part in the exhibition...