No.119 Changsha Popularity Ranking No.50 Changsha County No.175 Hunan No.1 Refrigeration No.1 Air Conditioning No.1 Fans Equipment No.1 Feng Li Machines No.1 Zi Yuan Zai Sheng No.1 Stainless Steel Products No.2 HVAC No.2 Smart Transportation No.3 Testing Instruments No.7 Energy Technology No.10 Raw Materials No.11 Power Systems 常务理事单位 理事单位 高新技术企业 工业产品绿色设计示范企业 省级高新技术企业 省级专精特新中小企业