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Congratulations to guangzhou add silver power equipment co., LTD. / S13 whole sealing oil-immersed power transformer series of disposable through the national quality supervision and inspection center of various performance tests.Congratulations to guangzhou add silver power equipment co., LTD. Dry-type power transformer through the national transformer energy-saving level 1 certification of energy efficiency. Zengcheng silver power equipment co., LTD., guangzhou warm congratulations ZGS13 - Z.G - 1100/35 pv (wind) power generation combined transformer one-time through the national quality supervision and inspection center of various performance tests. Congratulations to guangzhou add silver power equipment co., LTD. SCB11-1000/35-0.4 dry-type power transformer one-time through the national quality supervision and inspection center of various performance tests.