S11 series 10kv-35kv low loss non-excitation voltage regulating transformer
+SZ11 series 35kv low loss on-load tap changer
+SCB9, SCB10, SCB11 series resin insulated dry power transformer
+SG(B)10 series non-encapsulated H-class dry power transformer
+ZGS11-H(Z) series combined transformer
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