Jiuquan Production Base, one of the world's largest production bases for energy storage equipment, is com- mitted to becoming the main production base and delivery center for Wontai Power in Northwest China. This modern benchmark green factory boasts an annual production capacity of 400MW vanadium battery equipment, covering over 60,000 square meters. The base sets up core areas for production, assembly and testing of battery stacks, electrolyte, key materials and energy storage system integration. The factory has introduced modern production lines representing the leading level of the industry, with high degree of automation and low energy consumption, and has the ability to develop, produce, assemble, test and deliver the whole system.