JA Solar Technology Co., Ltd. engages in the research, development, production, and sale of silicon wafers, solar cells, and solar cell modules. It is also involved in the development, construction and operation of solar photovoltaic power plants. Its other business activities include the production and processing of single crystal silicon rods, single crystal silicon wafers, and solar cells and modules; the research and development of solar energy series products; and the development, construction, operation, management, and maintenance of solar photovoltaic power plants. The company was founded on October 20, 2000 and is headquartered in Beijing, China.