our factory takes an area of more than 5000 square meters. it is equipped with abundant r&d technology, facilities and management methods and adopts microcomputer control over main production, inspection procedures. especially, our "eht" branded ups products are highly recognized by the market till now. the performance of our products has exceeded iec, jis standards. our company have secured iso9000 quality management certification hosted by commodity quality certification center, ce certification required by eu as well as various inspection certifications hosted by national information and industry department, national electric industry department. meanwhile, our products are extensively applied in fields of telecommunications, electric power, railway, finance, securities, aviation, airports, taxation, custom house as well as frontier defense, traffic, education, public security, national defense, energy sources and national key projects. they have won users' consentaneous compliments by complete varieties, reliable quality and perfect post-service.