we are professional manufacture of GFCI, receptacle, switch, inverter, breaker, relay and other kinds of constuctional and elecrtical appliances.We have been in the line of GFCI for many years and have both passed CE and ISO certificate and wil get UL cetificate later.We always provide products with excellent quality and best price.we have enjoyed a ready market in canada, frnace, poland, cuba, hongkong and many other countries in the world.