QC Solar Corporation engages in the research and development, manufacture, and sale of photovoltaic (PV) connection boxes and connectors in China, South Korea, India, Vietnam, Germany, Spain, Egypt, and the United States. It offers power semiconductor modules; PV general and smart junction boxes; solar, home battery storage, EV, and robotics cables; solar PV, energy storage, EV connectors, and cables harness; and installation tools. The company also provides data computing connection solutions; PV microinverters; PV combiner boxes/cabinets; and RSD boxes, solar optimizers, and outdoor precision connection systems. The company was founded in 2005 and is headquartered in Suzhou, China.