QINGDAO GR-TAIDA CARBON Co.,Ltd.  Tianrun relies on processing equipment and advanced production technology developed and manufactured by independent innovation, and adopts unique shaping, ultra-fine pneumatic classification technology and original purification technology. The produced products have good quality stability, and the supporting products have good process matching and friendly electrochemical performance. Spherical graphite, high purity graphite, fuel cell graphite purity of more than 99.95%. Products have been exported to South Korea, Japan, the United States, Italy, Britain, Germany, India, South Africa and Southeast Asia and other countries.