No.88 Liuyang City Popularity Ranking Changsha Hunan No.12 Energy Saving Technology No.13 Submersible Pumps No.14 Testing Systems No.16 Energy Saving Devices No.17 Water Pumps No.18 Surveillance Systems No.23 Chan Ye Sheng Ji No.24 Testing Instruments No.28 Air Conditioning No.32 Jie Neng Jian Pai No.37 Water Conservancy Engineering No.46 Complete Equipment 名牌产品 省级高新技术企业 高新技术企业 科技型中小企业 省著名商标 专精特新小巨人企业 ISO9001认证