Shanghai Keynai Electric Co., Ltd. is specialized in power transformers, low-voltage electrical equipment, power cables and wires and electrical automatic control equipment. We are also engaged in export and import. Our factory was founded in 1987, and covers a production area of 140,000 square meters. We have developed S(B)H16-M type amorphous alloy roll core power transformers, SC9/SCB9/SC10/SCB10 resin insulation dry-type transformers, SG10-type h-class insulation dry-type power ...