Two employees from State Grid Suqian Power Supply Co inspect the 220 kilovolt substation at Jiangsu Hui Ran Industry Co Ltd in Suqian, Jiangsu province. The plant can produce 180,000 metric tons of nickel and iron per year, consuming 650 million kWh of electricity. The substation has two 220 kV transformers with a total capacity of 250 megavolt-amperes.