frequency inverter power supply in a relatively harsh environment

Frequnency inverter with its small size, light weight, high efficiency, simple operation, pollution, etc., by the majority of users; and best power inverter supply in a relatively harsh environment can be used, with a strong stability high reliability, protection congruent advantages, but there is a strong nonlinear load drive capability, can produce power supply, praised by customers.
220v power inverter specifically designed for post and telecommunications industry for program-controlled switches, computer room, network, billing server, and lighting and other places.