Schneider electric co., ltd is a national large-sized area-unconfined corporation group, which mainly produces high and low voltage electric equipment components, whole set electrics , construction electrics, instrument and meters, wires and cables, and takes manufacture, trade, scientific research, information and service as a whole. The group corporation firmly holds the development idea of “human-oriented, innovation through science and technology, brand rearing and pursuit of the distinguished quality”, insists on the development strategy of “ quality builds up while brand steps up the enterprise”. The enterprise has a sustainable and healthy development by striding forwards with the times, trying hard to conform to the requirement brought by the knowledge economy and marketing competition, speeding up the steps of techniques and system innovation.