No.94 Changsha Popularity Ranking No.26 Yuelu District No.135 Hunan No.1 Optical Instruments No.1 Zeng Qiang Xian Shi No.1 Precision Instruments No.2 Jing Mi Ji Xie Ling Components No.2 Ke Xue Instruments No.2 Chan Xue Yan No.2 Instrument Equipment No.3 Lei Da Technology No.3 Optoelectronic Technology No.3 Laser Technology No.3 Wei Bo Lei Da No.4 Laser 高新技术企业 科技型中小企业 省级工程技术研究中心 省级专精特新中小企业 专精特新小巨人企业 省科技型中小企业