RENEWABLE ENERGY EXHIBITION is now France's largest new energy exhibition, the exhibition has been successfully held since 2001 every year in the expanding growth. Held in Lyon every single year, every even year in Paris. February 2009 RENEWABLE ENERGY EXHIBITION successfully held in Lyon, the exhibition site more than 500 exhibitors, of which 40% of new energy companies outside France, the field of solar thermal and photovoltaic audience up to 50%, domestic TRW, Tianwei Yingli, Ron Artest and other enterprises have been coming to the show.

Q-Cells is a German manufacturer of photovoltaic (PV) cells headquartered in Bitterfeld-Wolfen, Saxony-Anhalt, Germany. Q-Cells was established in 1999. Its core business is the development, production and marketing of (mono- and multi-) crystalline silicon photovoltaic cells.

Since commencing production in 2001, Q-Cells now employs about 1500 people at its site in Bitterfeld-Wolfen, Saxony-Anhalt, Germany. In its newest solar cell factory in Selangor, Malaysia, further 1000 people are employed. Q-Cells produced 537 MW of PV cells in 2009. In 2010, the output was increased to 939 MW. Thereof 482 MW were produced in Germany. So nearly half of the production took place in Malaysia.

However the company has suffered from the supply of cheap solar products from China. After reporting a €846m net loss in 2011 it announced on April 2, 2012 that it would file for insolvency.