全密封绝缘结构，保证人身安全。
经济高效，降低网络损耗和运营成本。
它不仅用于环网，也可用于终端。
低损耗、低噪音、性能优越。
低温、过载能力强。
变压器采用特殊结构，其突出优点是品质优良。
Fully sealed and insulated structure can guarantee
the security of person.
Economic and efficient to reduce network loss and operation cost.
It is not only used for ring network but also terminal.
Low loss, low noise, superior performance.
Low temperature, overload ability.
Transformer adopts special structure and its outst-anding advantages is high quality.