Shenzhen JinYou Science & Technoloyg Co., Ltd. is a ISO 9001:2000 and ISO 14001:2004 ceritified and professional power supply manufacturer in China, specialized in R&D, manufacturing, marketing and Global sales. Headquartered in Shenzhen, Guangdong 　　We have perfect marketing and service network, there are 80 representative offices around China, and more than 100 countries&＃039;&＃039;&＃039;&＃039; partners and customers spread around all the world. 　　Our products Range 　　* Line interactive UPS up 2000VA 　　* Tower UPS (uninterrupted power supply) 1-20kVA 　　* Rack mount On Line UPS systems from 1-10kVA 　　* Telecom Inverters/invertors 1-10kVA 　　* Lead-acid maintenance-free battery 　　* UPS with LiFePO4 battery( First Manufacturer) 　　All our products are widely used in different fields, including electric power, science institute, national defense, telecom, finance, insurance, aviation, traffic, post service, public security, Customs, government ect. 　　Excellet R&D team 　　Advanced R& D team and test equipment in China. Based on the powerful technology team and high quality products with reliable performance, we were granted by State General Administration as “Product Exemption From Quality Surveillance Inspection”, and “Shenzhou” series spacecraft programs also specified us as its power supply provider.