1.complete set 2.small sized 3.compacted structure 4.running safely 5.easy maintenance and mobile YBM BOX SUBSTATION(Non-Metallic)YBM, YBP series of prefabricated substation is the combination of the HV electrical apparatus, transformer, and low voltage transformer equipments and therefore is used in the high-rise buildings, residential districts, urban and rural construction, hi-tech development ...