No.362 Changsha Popularity Ranking No.157 Changsha County No.547 Hunan No.2 Qing Jie Technology No.3 Nonferrous Metals No.3 Smelting Technology No.3 Jia Apparel No.3 Smelting No.5 Environment Detection No.6 Shui Zhi Management No.6 Equipment Manufacturing No.6 Tu Rang Xiu Fu No.6 Water Mirror No.6 Environmental Monitoring No.7 Environment Technology 创新型企业 副会长单位 企业技术中心 常务理事单位 理事单位 中国专利优秀奖