Chardan China Acquisition Corporation to Present at Roth Capital Partners New York Conference.

SAN DIEGO -- Chardan China Acquisition Corp. (OTCBB: CAQC, CAQCU, CAQCW) ("Chardan") today announced that it is scheduled to present at the Roth Capital Partners New York Conference on Thursday, September 8, 2005 at 12:30 pm Eastern Time. The conference is being held at the Westin New York Hotel in Times Square. Chardan will be presenting in the "Majestic II" room on the 5th Floor.

The presentation will also be broadcast live over the Internet via http://www.wsw.com/webcast/roth6/caqc.ob/. To listen to the live call, go to the website at least 15 minutes early to register, download and install any necessary audio software. You can also access a recorded replay of the presentation at the above web address.

For more information about the conference visit: http://www.rothcp.com/2005%20NYC%20Conference%20Web%20Site/ Roth%20NYC05.html?content=home (Due to its length, this URL may need to be copied/pasted into your Internet browser's address field. Remove the extra space if one exists).

About the Company

Chardan China Acquisition Corporation was organized to effect a business combination with an operating business that is based in China and that has significant growth potential. Chardan and privately held State Harvest Holdings Limited have entered into a definitive stock purchase agreement pursuant to which Origin Seed Technology, Inc. and its related companies in the People's Republic of China will be acquired by Chardan. Upon consummation of the transaction, Chardan will change its name to Origin Agritech Limited ("Origin"). The operating companies of Origin develop, produce, distribute and market hybrid crop seeds to the Chinese agriculture industry.

Forward-Looking Statement

This above referenced presentation may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, about Chardan, Origin Agritech Limited(1) ("Origin") and their combined business after completion of the proposed acquisition. Forward-looking statements are statements that are not historical facts. Such forward-looking statements, based upon the current beliefs and expectations of Chardan's and Origin's management, are subject to risks and uncertainties, which could cause actual results to differ from the forward-looking statements. The following factors, among others, could cause actual results to differ from those set forth in the forward-looking statements: business conditions in China, weather and natural disasters, changing interpretations of generally accepted accounting principles; outcomes of government reviews; inquiries and investigations and related litigation; continued compliance with government regulations; legislation or regulatory environments, requirements or changes adversely affecting the businesses in which Origin is engaged; fluctuations in customer demand; management of rapid growth; intensity of competition from other providers of seed products; timing approval and market acceptance of new products introduction; general economic conditions; geopolitical events and regulatory changes, as well as other relevant risks detailed in Chardan's filings with the Securities and Exchange Commission, including its report on Form 10-KSB for the period ended December 31, 2004, Form 10-Q for the period ended June 30, 2005, and Form S-4. The information set forth herein should be read in light of such risks. Neither Chardan nor Origin assumes any obligation to update the information contained in this presentation.

(1) The Company intends to change its name from State Harvest Holdings Limited to Origin Agritech Limited subsequent to shareholder approval of the previously disclosed Stock Purchase Agreement dated as of December 20, 2004, and the Redomestication Merger. Investors are encouraged to review these proposals, and other information, as contained in the Company's filings with the Securities and Exchange Commission, which can be found under the symbol CAQC.