YBM, YBP series preinstalled type transformer substation, high voltage electrical equipment, transformers, low voltage electrical equipment, such as combined into compact complete sets of power distribution equipment, used for city high-rise buildings, urban and rural construction, the luxurious villa, the principality of square, residential area, high and new technology development zone, small and medium-sized factories, mines, oil fields, and temporary construction and so on, For receiving and distributing electrical energy in a distribution system.