Hangzhou Strong Electric Co., Ltd (SEC) is a professional co***ny for manufacturing and exporting porcelain insulators, composite insulators and line fittings for transmission, power station, substation and railway electrification. SEC have four sub-subsidiary factories which specialized in technical developing and making.
SEC has good technology, competitive price and stable quality to support our customers, our products can meet IEC, BS, ANSI, AS and DIN standards. And we are also able to develop n...
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