German SUNER Company is a big sized multi-national company which integrates scientific research, industrial and trade into one organ, with more than 30 production bases and subsidiaries over the world, specializing in the research, production and sales of micro-computerized instant electrical water heaters and other professional power heating products, with more than 30 years professional experience in manufacturing, as one of the biggest home electrical appliance suppliers to developed countries in Europe, America and Japan. The company is in possession of more than 60 patents technology, and is the leader and promoter of instant electrical water heaters countries in Europe and in America.