Rizhao 8000A busbar has been used in Shangdong Shifeng power plant for 6 years. Above this experience, our continuely to develop high loading capacity busbar. Until now, the 12kA busbar has been passed tests in our lab. Compare with electric cable (less than 1000A on singal cable) and rectangel busbar (not higher than 4000A), Rizhao tube busbar not only save the copper and power losses, but also makes installation flexible.