New technologies need new reliable protections. On this point of view "BESTCO" as a well-reputed and highly professional company in Iran is a global supplier of a wide range of power products with focus on the industrial, medical, telecommunications and information technology markets. We "BEhineh Sazan Tavan – BESTCO" are one of the leading power companies in territory of Iran who offer wide range of products includes a Uninterruptible Power Supply (UPS) systems ranging from 0, 50 kVA to 8,000 kVA, Battery Chargers, Automatic Voltage Regulators and Data Loggers. We also design and manufacture: 1) Tele prompter which automatically load NEWS on news room network and 2) Power Management Systems which significantly reduces power losses and helps to decrease the power consumption rate for heavy industries.