German sun electric group was founded in 1882, is one of the world's largest battery manufacturer, is also the world's energy storage scheme of industry leader, business is generally more than 200 countries in the world, in the global 18 countries have more than 50 production factory, the company mainly produces four should be used in regional, power supply, power, transportation network power and military use area. Its main have GNB, and Sonnenschein (sunlight) and many other well-known brands in the world, has a century long history leading position.