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    BOS is a provincial high-tech enterprise specializing in the design and manufacture of power supplies. It has been focusing on inverter technology for more than two decades and is committed to providing customers with the best system solutions. The main products are AC programmable variable frequency power supplies and power grids. Simulator, constant current source, high and low voltage shore power supply, stable frequency and stabilized power supply, ultra-high power DC power supply, bidirectional DC power supply with feedback, battery simulator, two-way DCDC converter, battery charging and discharging detection equipment with feedback power; two-way storage Energy inverter PCS, power UPS, emergency energy storage system, off-grid inverter integrated machine, off-grid inverter, wind turbine grid-connected converter, MPPT controller, military vehicle inverter, energy feedback rectifier unit AFE.