Changsha Changsha County Hunan No.8 Fans Equipment No.8 Energy Saving Devices No.9 Feng Li Machines No.28 Ye Jin Gong Yi No.31 Dai Processing No.33 Petrochemicals No.40 Building Materials No.49 Power Stations No.51 Guo Chan Chemical No.59 Machinery Manufacturing No.77 Dian Li Gong Ying No.93 Power 省级专精特新中小企业 专精特新小巨人企业 高新技术企业 省级高新技术企业 省级创新型中小企业 名牌产品