JOINT FILING AGREEMENT

EXHIBIT 99.1

JOINT FILING AGREEMENT

Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with the Securities and Exchange Commission (and, if such security is registered on a national securities exchange, also with the exchange), and further agrees to the filing, furnishing, and/or incorporation by reference of this agreement as an exhibit thereto. This agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party.

IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be executed and effective as of the date first written above.

Date: August 30, 2012				NEWQUEST CAPITAL MANAGEMENT (CAYMAN) LIMITED
				By:		/s/ Randhirsingh Xxxxxx
				Name:		Randhirsingh Xxxxxx
				Title:		Director

				NEWQUEST ASIA FUND I (G.P.) LTD.
				By:		/s/ Xxxxxx Xxxxxxx
				Name:		Xxxxxx Xxxxxxx
				Title:		Director

				By:		/s/ Randhirsingh Xxxxxx
				Name:		Randhirsingh Xxxxxx
				Title:		Director

				NEWQUEST ASIA FUND I, L.P. By: NewQuest Asia Fund I (G.P.) Ltd.
				By:		/s/ Xxxxxx Xxxxxxx
				Name:		Xxxxxx Xxxxxxx
				Title:		Director

				By:		/s/ Randhirsingh Xxxxxx
				Name:		Randhirsingh Xxxxxx
				Title:		Director

				CPI BALLPARK INVESTMENTS LTD
				By:		/s/ Xxxxxxx X. Xxxxxx
				Name:		Xxxxxxx X. Xxxxxx
				Title:		Director

IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be executed and effective as of the date first written above.

Date: Xxxxxx 00, 0000				XXXXX RE FINANCIAL PRODUCTS CORPORATION
				By:		/s/ Xxxx Chance
						Name: Xxxx Chance
						Title: Authorized Signatory

IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be executed and effective as of the date first written above.

Date: Xxxxxx 00, 0000				XXXXX ENVIRONMENT FUND III, L.P.
				By: China Environment Fund III Management,
				L.P., its general partner By: China Environment Fund III Holdings Ltd., its general partner
				By:		/s/ Xxx Xxx Xxxx
						Name: Xxx Xxx Xxxx Title:   Authorized signatory

Date: Xxxxxx 00, 0000				XXXXX ENVIRONMENT FUND III MANAGEMENT, L.P.
				By: China Environment Fund III Holdings Ltd.,
				its general partner
				By:		/s/ Xxx Xxx Xxxx
						Name: Xxx Xxx Xxxx Title:   Authorized signatory

Date: Xxxxxx 00, 0000				XXXXX ENVIRONMENT FUND III HOLDINGS LTD.
				By:		/s/ Xxx Xxx Xxxx
						Name: Xxx Xxx Xxxx Title:   Authorized signatory

Date: August 30, 2012				XXXXXX X. XX
				By:		/s/ Xxxxxx X. Xx

Date: August 30, 2012				XXXXXX XXXX
				By:		/s/ Xxxxxx Xxxx

Date: August 30, 2012				XXXXXXX XX
				By:		/s/ Xxxxxxx Xx

Date: August 30, 2012				XXXXX XXXXX
				By:		/s/ Xxxxx Xxxxx

Date: August 30, 2012				XXX XXX
				By:		/s/ Xxx Xxx

IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be executed and effective as of the date first written above.

Date: August 30, 2012				AQUA RESOURCES ASIA HOLDINGS LIMITED
				By:		/s/ Xxxxxxxx Xxxx
						Name: Xxxxxxxx Xxxx
						Title: Director

Date: August 30, 2012				AQUA RESOURCES FUND LIMITED By: FourWinds Capital Management, its investment manager
				By:		/s/ Xxxxxxxx Xxxx
						Name: Xxxxxxxx Xxxx
						Title: CEO, FourWinds Capital Management

Date: August 30, 2012				FOURWINDS CAPITAL MANAGEMENT
				By:		/s/ Xxxxxxxx Xxxx
						Name: Xxxxxxxx Xxxx
						Title: CEO, FourWinds Capital Management

IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be executed and effective as of the date first written above.

Date: August 30, 2012				ABRAX
				By:		/s/ Xxxxxx Xxxxxxxxxx
						Name: Xxxxxx Xxxxxxxxxx
						Title:   Director

Date: August 30, 2012				ABRAX LIMITED
				By:		/s/ Xxxxxx Xxxxxxxxxx
						Name: Xxxxxx Xxxxxxxxxx
						Title:   Director

IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be executed and effective as of the date first written above.

Date: Xxxxxx 00, 0000				XXX INTERNATIONAL LTD.
				By:		/s/ Xx Xx Fehlmann
						Name: Xx Xx Fehlmann
						Title:   Director