[JA Solar Successfully Purchases US$89.2 Million of Senior Convertible Notes SHANGHAI, China, Sept. 24, 2012 (GLOBE NEWSWIRE) — 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, during the third quarter of 2012, the Company purchased its 4.5% senior convertible notes (“Senior Notes”) with]