Changsha Changsha County Hunan No.15 Ultrasound No.24 Testing Instruments No.70 Testing Equipment Zhuan Yong Equipment Equipment Manufacturing Healthcare Technology Medical Devices Electromechanical Equipment Testing Testers Jie Teeth Machines Chao Sheng Bo Jie Teeth Chao Sheng Bo Jie Teeth Machines 科技型中小企业 省级高新技术企业 省科技型中小企业 高新技术企业 省级专精特新中小企业 省级创新型中小企业