Since its foundation in 1975, we have manufactured oil-immersed transformers including padmount, power substation, and distri ... bution transformer, serving both domestic and global markets including North America, Australia, Middle East, and Asia. There are two factories located in Korea that produce the largest small-to-medium voltage power transformer. Transformers are built and tested based on ANSI and its equivalent standard. We can build upto 200MVA, 250kV with various dual high voltages. read more