1, Ningxia Market Supervision Administration Graphite Electrode Testing Station: located at No.25, Henghua Road, Xingqing District, Yinchuan City, Ningxia, is mainly engaged in quality testing and supervision of graphite electrodes.
2, Ningxia Geological Engineering Inspection Co., Ltd: located at North Gate of Xinhua Street Office, Jinfeng District, Yinchuan City, Ningxia, 100 meters to the east and north of the road, it can provide testing services on physical properties, chemical composition, trace elements, thermal stability and electrical conductivity of graphite electrodes.
3, Ningxia CIU Testing & Technology Service Co., Ltd: located at No. 88, Xinhua East Street, Jinfeng District, Yinchuan City, Ningxia, is mainly engaged in graphite electrodes, aluminum electrolysis tanks and electrolytic aluminum and other products quality testing and certification services.
4. Ningxia Kexin Measurement and Testing Co., Ltd: located at the northeast corner of the intersection of Qingtongxia Street and Hanzhong Road, Xixia District, Yinchuan City, Ningxia, China, can provide testing services on physical properties, chemical composition, thermal stability and electrical conductivity of graphite electrodes.