Hanergy Thin Film Power Group Ltd. manufactures equipment and turnkey production lines for amorphous silicon-based, copper indium gallium selenide-based, and gallium arsenide thin-film solar photovoltaic modules. The company also engages in the construction and operation of various solar power stations and sells solar photovoltaic panels and application products. It was founded in 2009 and is headquartered in Causeway Bay, Hong Kong.