全国制冷CFCs替代技术交流会于一九九一年十一月底在广州召开,会议由中国制冷学会,中国科协工程学会联合会和中国制冷空调工业协会联合主办,得到机电部、商业部、铁道部、广东省科协、广东省商业厅、广东省制冷学会大力支持,来自全国18省市114单位和美国、英国及香港 National refrigeration CFCs alternative technology exchange was held in Guangzhou in late November 1991, the meeting by the China Institute of Refrigeration, China Association for Science and Engineering Association and China Refrigeration and Air Conditioning Industry Association co-sponsored by the Department of Electrical and Mechanical Services, Ministry of Railways Ministry, Guangdong Provincial Association for Science and Technology, Guangdong Provincial Department of Commerce, Guangdong Institute of Refrigeration strong support from 114 units in 18 provinces and cities and the United States, Britain and Hong Kong