Onan Knan 10mva 20mva 50mva 69kVA Power Transformer, Find Details and Price about 15 Mva Power Transformer 132 Kv/13.2 Kv Power Transformer from Onan Knan 10mva 20mva 50mva 69kVA Power Transformer - Jiangsu Daelim Electric Co., Ltd.