China Sunergy Co Ltd was incorporated in Cayman Islands and established in 2004. The Company is engaged in the design, development, manufacturing and marketing of solar cells and modules in China and internationally. It offers monocrystalline and multicrystalline silicon solar cells; and standard P-type solar cells and HP solar cells, as well as emitter cells for use in a range of residential, commercial, industrial, and other solar power generation systems. The Company sells its products to system integrators, solar power project developers, and solar power product distributors. The Company markets solar cells and modules under CSUN and CEEG brand names mainly in Europe, the People's Republic of China, India, South Korea, Australia, and the Untied States.