Surge Lab Korea, has been developing new surge protective devices since 1997.In 2008, we finally invented device named a GCA(Gate Control Arrestor) which is patented in Korea and the quality world best. This make it possible for SPD&＃39;s let-through voltage of 6kV to come out under 50V. supprising quality.1. Patented ...

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Sung Woo Industrial Co. with brand name S.W.C was established in 1985. Since then, we have built up abundant experience and knowledge the field of manufacturing thermal cutoffs as our main product. We provide customers from all over world good-quality products achieving highest level customers&＃39; satisfaction.For 30 ...