UPS目前分为在线式和后备式等，目前，主流的UPS厂商为EAST（易事特）、深圳山特、东莞优玛电气UMART、APC、 伊顿、爱默生等，都提供各种级别的UPS满足不同用户群的需要-UPS is currently divided into line and back-up type, such as, at present, the UPS vendor for the mainstream EAST (special easy), Santak Shenzhen, Dongguan Electric Uma UMART, APC, Eaton, Emerson, etc., are available at various levels the UPS to meet the needs of different user groups