As a professional series wall switch, PC-plug socket coupling, socket coupling manufacturer, exporter, supplier and factory in China, Hongda Electric Group Co., Ltd., was founded in 1983 and locates in LiuShi ---The Electriacal Capatal of China. Hongda is one of the leading manufactures specializing in developing and producing all kinds of high or low voltage al products, series wall switch, PC-plug socket coupling and accessories in China. As an enterprise certified by ISO9001 system strictly, we have also got many safety certificates, su-ch as CB, SEMKO, FIMKO, ESC, CCC, VED, UL, CE etc. As the professional manufacturer and exporter, we have inter- national marketing experience of ten years. Our products, series wall switch, PC-plug socket coupling reach all over the world.