[Form F-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 JA Solar Holdings Co., Ltd. Cayman Islands 3674 Not Applicable No. 36, Jiang Chang San Road JA Solar USA. Inc. (Name, Address, and Telephone Number for Agent of Service) Copies to: Edward Lam] [28 May, 2013 JA Solar Holdings Co., Ltd. No. 36, Jiang Chang San Road Zhabei, Shanghai People’s Republic of China Dear Sirs, JA Solar Holdings Co., Ltd. (the “Company”) Commission Registration Statement Securities Act Shares Preferred Shares Equity Securities Units Securities For the purposes of giving this opinion, we have examined a copy of the Registration Statement. We have also] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form F-3 of our report dated April 16, 2012 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in JA Solar Holdings Co., Ltd.’s Annual Report on Form 20-F for the year ended] [天 元 律 师 事 务 所 TIAN YUAN LAW FIRM 10/F, China Pacific Insurance Plaza, 28 Fengsheng Lane, Xicheng District Beijing 100032, P. R. China Tel: (8610) 5776-3888; Fax: (8610) 5776-3777. JA Solar Holdings Co., Ltd. No. 36, Jiang Chang San Road Zhabei , Shanghai 200436 The People’s Republic of China Dear Sirs, Yours faithfully, Tian Yuan Law Firm]