Changsha Yanshan electrical plant - Hunan, China

The plant has patents: ZL96235243.8 "with silicon steel core Transformer winding magnetic splitter devices" to remove the structure of magnetic splitter MFL Transformers, constant voltage Transformers and other type Transformer splitter part of the noise, simple structure, solid and reliable; ZL97238825.7 "silicon steel with single-phase Transformer winding composite core", the technology can reduce the manufacture of Transformers MFL, simple structure and can be mass production of micro-core Transformer winding to produce Park section of the column the overall single-phase Transformer-shell core.