China Sunergy Co., Ltd. designs, manufactures and delivers solar cells and modules. The Company also invests in solar power projects. The Company provides mono- and polycrystalline modules, which include QSAR I & II, WARATAH, Standard Mono Series and Standard Poly Series. QSAR II (monocrystalline) and WARATAH (polycrystalline) have five bus bars. The QSAR II cells use a junction formation technology. WARATAH uses a special of carrier conduction technology to integrate solar cell and module design. The Company's solar cells include 5-busbar cell: CSUN-S156-5BB(M2) and 5-busbar cell: CSUN-S156-5BB(Dia210). The Company's products also include Dual Glass Solar Module (CSUN 345-72M-DG), Full Black Smart Module (CSUN 335-72M-SMART), Half Cell Module (CSUN 290-120P) and Small Type Customerized Module (CSUN 160-36M). The Dual Glass Module is offered in two product types (60 cell configuration and 72 cell configuration).