Shenzhen Parwa Technology Company Limited is a focus on the solar array simulator, grid simulator, anti-islanding test load , PV inverter integrated test system , AC power , DC power, AC current source , the electric car test solution such as product development , production, sales and service of high-tech enterprises ; was one of the earliest enterprises engaged in research and production of power , a professional R & D team for the foundation and core , with independent intellectual property ...