The company specializes in creating solar cells from silicon wafers.

On May 17, 2007, the company began producing both monocrystalline and multicrystalline silicon solar cells.

After listing as a NASDAQ Company in 2007, in 2013 May 23 China Sunergy opened its first international manufacturing base in Turkey.

CSUN has been recognized as a Tier 1 module supplier by the Bloomberg New Energy Finance (BENF) PV Module Maker Tiering System on 23 March 2014.

[2] Their distribution network for solar panels covers over 79 distributors and wholesalers, across over 26 different countries.