[Joint Filing Agreement Remainder of this page has been left intentionally blank [ Chuanwei Zhang Chuanwei Zhang First Windy Investment Corp. Chuanwei Zhang Sole Director Ling Wu Ling Wu Rich Wind Energy Three Corp. Ling Wu Sole Director EX-99.1 2 d300724dex991.htm JOINT FILING AGREEMENT]

[1. Name of Reporting Person: I.R.S. Identification Nos. ofove persons (entities only): Mr. Chuanwei Zhang 2. Check the Appropriate Box if a Member of a (a) (1) 3. SEC Use Only 4. Citizenship or Place of Organization: Peoples Republic of China STYLE="font-family:Times New Roman" SIZE="2">NUMBEROF SHARES BENEFICIALLY OWNEDBY EACH] [Joint Filingreement Remainder of this page has been left intentionally blank [ Chuanwei Zhang Chuanwei Zhang First Windy Investmentrp. Chuanwei Zhang Sole Director Ling Wu Ling Wu Rich Wind Energy Threerp. Ling Wu Sole Director JOINT FILINGREEMENT d300724dex991.htm 2 EX-99.1]

[CUSIP No. 16951C108 1 NAMES OF REPORTING PERSONS China Opportunity S.A. SICAR 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) x ¨ (a) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Luxembourg NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:]

[CUSIPNo. 16951C108 1 NAMES OF REPORTING PERSONS STYLE="font-family:Times New Roman" SIZE="3">China Opportunity SICAR 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A (SEE INSTRUCTIONS) x (a) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Luxembourg NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON STYLE="font-family:Times New Roman" SIZE="2">WITH:]