With 12 years in making UPS,Kstar Co., Chinese professional power protection expert in which you can be sure of finding plenty to choose from our large collection of UPS,i.e.,Uninterruptible power supply runs from 500VA to 300KVA by categories of OFF-LINE,ON-LINE & LINE-INTERACTIVE UPS, inverter & lead-acid battery also can be available. And you can also find a ready market for our UPS products in Mainland,S.E.Asia,Africa,Europe,etc. In 2001, the group sales reached USD$60 Million. Act as a strong manufacturer special for power industry with annual production capabilities by 1 Million sets, we have beening paid most attention to the products' Reseach & Development capacity as well as the technology innovation. Since 2001, we increase the R&D barget to the 5% of the annual sales turnover and assure to keep increasing speed by less than 15% year by year. As a market leader, Kstar is accredited with ISO9001,CE,UL,TUV,China National UPS Manufacturing License,CCEE Safety Certificate and the Licence to China Telecom Network Access as well as Millitary Equipment Access License. Our products are certified to key international standards,including FCC and IEEE.