Q-Cells SE, formerly Q-Cells AG, is a Germany-based company active in the field of photovoltaic. Its core business is the development, production and sale of mono- and polycrystalline, silicon-based solar cells. Its core business segment Solar Cell Production includes monocrystalline cells, comprising Q6M and Q6LM; and polycrystalline cells such as Q5, Q6, Q6LTT, Q6LTT3 and Q6LEP3, among others. The Company also offers a range of thin film modules and is engaged in Project Business. It is also engaged in the research and development activities. The Company operates through its subsidiaries such as Sontor GmbH, Sontor Servicios, S.A. de C.V., Q-Cells Malta Finance Ltd., Q-Cells International GmbH, Q-Cells International USA Corp., Q-Cells Asia Ltd., Calyxo GmbH, Calyxo USA Inc., VHF Technologies S.A. and Flexcell GmbH, among others, which are located in Europe, North and South America as well as Asia.