Changsha Changsha County Hunan No.3 Tu Zhuang Gong Yi No.5 Welding Equipment No.6 Machinery Hardware Processing No.8 Ye Ya Chuan Dong No.8 Drills Machines No.8 Hydraulics Technology No.8 Hydraulics Engineering No.9 Concrete No.9 Hydraulics No.10 Kuang Shan Ji Xie / Equipment No.11 Diao Machines No.12 Diao Yun Machines 创新型企业 省部级科技进步奖 省级高新技术企业 高新技术企业 专精特新小巨人企业 科技型中小企业 省科技型中小企业 发明专利 实用新型专利 理事单位 双百企业 ISO9001认证 CE认证