[JA Solar Multi-Si Solar Cells Reach Record Efficiency Levels Shanghai, China, August 1, 2013 - JA Solar Holdings Co., Ltd. (Nasdaq:JASO) (“JA Solar” or the “Company”), one of the world’s largest manufacturers of high-performance solar power products, today announced that its multi-crystalline silicon (“multi-Si”) solar cells have reached an industry-leading conversion efficiency of 18.3%. The new level of conversion efficiency,]