Changsha Changsha County Hunan No.11 Video Security Surveillance No.15 Shou Machines Display Screens No.18 LED No.18 Xian Shi Dan Yuan No.19 Lighting No.20 Lighting Fixtures No.21 Electronics Transformers No.26 Transformers No.30 Displays Equipment No.30 Surveillance Systems No.32 Displays Systems No.33 Display Screens 高新技术企业 科技型中小企业 省级专精特新中小企业 专精特新小巨人企业 省级高新技术企业 省软件企业 省科技型中小企业 省级创新型中小企业 ISO9001认证 ISO14001认证 OHSAS18001认证