Shenzhen source technology industries ltd. Has its registered address on the f deck of the industrial zone of the shenzhen cedar street street in shenzhen city, where the registration authority is the market supervision authority of shenzhen city, with legal representatives, and which operates in the areas of photovoltaic transformer testing systems, recharge module testing systems, recharge pillar testing systems, power battery testing systems development and technical services; domestic trade, import of goods and technology. Power supply equipment (including exchange of power, direct current power, battery simulators, grid simulators, exchange of constant currents, large power customized power generation), energy saving equipment for new energy sources (including lithium battery chargers, power battery test cabinets, core composition cabinets, two-way exchange power, two-way direct power supply, energy storage power supply), load equipment (including energy-saving ageing loads, fe...