Biological Transformation Net Pretreatment Conference,hosted by by Natural Sciences and Engineering Research Council of Canada, was held from June 4 to June 6 in the University of British Columbia. Jack Saddler, the internationally known professor of bio-refineries field, was appointed as chairman of conference.120 famous scientists and famous tycoons in cellulosic ethanol field from Canada，the United States，Sweden,Denmark and other countries participated in the Conference.

In conference, Zhuang xinshu,the associate fellow of Guangzhou Institute of Energy (GIEC),made an oral presentation entitled "Pretreatment technology research and application progress of China" , and submitted a poster entitled "High temperature liquid water pretreatment bagasse produce fuel ethanol". Experts in conference all gave heightened concerns over the development of cellulosic ethanol of China, and appreciated the related study work of GIEC.

In this interchange, Pro.Jack Saddler also reached a preliminary intention to visit GIEC in this September.