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Jiangsu Sunel Transformer Co., Ltd. Features: Low loss: No-load losses is about 40% lower than that required in current national standard GB6451-1999; load losses is about 15% lower than that required in current national standard GB6451-1999; Low Noise level: <60dB Low particle discharge: the full range process of 110kV product is dust-free operation; metal parts and insulation parts inside the transformer are all rounded; the partial discharge is controlled to be lower than 100pc Beautiful appearance: oil tank bending corrugated structure, shot blasting de-dusting, powder EFI paint, wide fin radiator, never fade in color; No leakage: all seal with limit position and upper & lower tank edges are sealed along two channels; sealing gasket is imported. We solemnly commit no leakage of oil.