China General Nuclear Power Corporation (CGN) is leader of China nuclear industry, its four new nuclear power project: Ningde, Yangjiang, Hongyanhe, Fangchenggang nuclear power station all use the load bank made by Kaixiang Company. The AC6.6KV-12000KVA-RL Vehicle Mounted Load Bank realized continuous 22 hours full load and 2 hours over load test for the commissioning. Which broken the record  of high-power load operation. Through the overall test, it guarantees the stable performance of backup generator, avoid the power failure of the nuclear power station to protect the safety of state nuclear.