6-K

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of July 2017

Commission File Number: 001-33290

JA Solar Holdings Co., Ltd.

Building No.8, Noble Center, Automobile Museum East Road

Fengtai, Beijing 100070

The People’s Republic of China

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x   Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in papers as permitted by Regulation S-T Rule 101(b)(1): o

Indicate by check mark if the registrant is submitting the Form 6-K in papers as permitted by Regulation S-T Rule 101(b)(7): o

Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o   No x

If “Yes” is marked, indicate below the file number assigned to registrant in connection with Rule 12g3-2(b): 82-          .

N/A

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the under-signed, thereunto duly authorized.

	JA Solar Holdings Co., Ltd.
	By	/s/ Baofang Jin
		Name: Baofang Jin
		Title: Chief Executive Officer
Date: July 14, 2017

2

Exhibit Index

Exhibit No.	Description
Exhibit 99.1	Press release dated July 13, 2017 —JA Solar Provides Details of a Fire Accident at Its Cell Production Facility in Yangzhou

3

EX-99.1

Exhibit 99.1

JA Solar Provides Details of a Fire Accident at Its Cell Production Facility in Yangzhou

BEIJING, July 13, 2017 (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 provided details of a fire accident that occurred at the Company’s cell facility in Yangzhou, Jiangsu province, China.

The fire broke out at around 1:32 AM Beijing time on July 13, 2017 at Fab 7 of JA Solar’s cell facility in Yangzhou.  The fire was completely put out by firefighters at around 6:00 AM and there were no casualties or injuries in the incident. The equipment being affected were the old production lines installed in 2009 and had been scheduled for replacement within one year. The Company expects the interruption of the cell production to be minimum. Based on the Company’s estimates, the incident impacted approximately 6% of the Company’s total cell production capacity. JA Solar maintains insurance coverage for all its production equipment and has started the process to make insurance claims associated with the incident. The cause of the fire at the Yangzhou facility remains under investigation.

About JA Solar Holdings Co., Ltd.

JA Solar Holdings Co., Ltd. is a leading manufacturer of high-performance solar power products that convert sunlight into electricity for residential, commercial, and utility-scale power generation. The Company is one of the world’s largest producers of solar power products. Its standard and high-efficiency product offerings are among the most powerful and cost-effective in the industry. The Company distributes products under its own brand and also produces on behalf of its clients. The Company shipped 5.2 GW of solar power products in 2016. JA Solar is headquartered in Beijing, China, and maintains production facilities in Shanghai, Hebei, Jiangsu and Anhui provinces in China, as well as Penang, Malaysia and Hanoi, Vietnam.

For more information, please visit www.jasolar.com.

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Ralph Fong

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