Industrial greenhouse gas trading in order to further understand the eu ban on our country hfc-23 decomposition of clean development mechanism (CDM) project, the influence of hfc-23 emissions to discuss hcfc-22 production industry prospects, April 8, 2013, the international cooperation center, center for environmental protection in suzhou group held the \"seminar of hfc-23 emissions countermeasures\". International cooperation center, China association of fluorine and silicone material industry and 13 hcfc-22 production enterprises in China on behalf of a total of more than 50 people attended the meeting. International cooperation center was introduced in hcfc-22 production forecast, HFC production and HFC gases emission situation and control of international negotiations. Delegates can hfc-23 emissions CDM project problems are discussed, put forward using China hfc-23 emissions clean development fund to provide funding and other proposals. At present, there are ten hcfc-22 production enterprises registered in China and implement the hfc-23 CDM projects. (article source: environmental protection)