Since 1988, Long Time has been regarded as a leader in manufacturing Uninterrupted Power Supplies (U. P. S.) in Taiwan. Our product range includes: mini tower Off - Line UPS from 400VA to 1500VA, and On - Line UPS from 1KVA to 15KVA as well as software solutions for Novell, Windows... We have just been approved by ISO9001 and all our Off - Line UPS have CE mark. In a few weeks, our products will also pass the UL safety standards. We do believe our quality will be able to meet your satisfaction. Long Time has lots of experience in manufacturing UPS and our policies are to keep absorbing new technology to upgrade our current products. We have continued to produce new models to meet the growing demands from the global market.