全国再生资源科技信息中心站、全国大中城市再生资源经济技术协作会第20届年会于2005年9月21日在昆明市召开,中国再生资源回收利用协会会长管爱国、中华全国供销合作总社职业技能鉴定指导中心主任马骐、昆明市人大常委会副主任寸镇洋出席会议并发表了重要讲话,云南省供销社、昆 National Renewable Resources Science and Technology Information Center Station, the National Medium and Large Cities Renewable Resources Economic and Technical Cooperation 20th Annual Meeting was held on September 21, 2005 in Kunming, China Recycling Recycling Association Guan Aiguo, China National Supply and Marketing Cooperation Ma Shijie, head of the Occupational Skill Appraisal and Guidance Center of the Head Office, and Zhenyang Zhen, deputy director of the Standing Committee of Kunming Municipal People’s Congress attended the meeting and delivered an important speech. The supply and marketing cooperatives of Yunnan Province, Kunming