ShengdaTech to Present at the Roth Capital Partners OC Conference on February 21, 2007

TAIAN CITY, Shandong Province, China, Feb. 7 /Xinhua-PRNewswire-FirstCall/ — ShengdaTech (BULLETIN BOARD: SGAT) , a leading nano-precipitated calcium carbonate (NPCC) and coal-based chemical products manufacturer in the People’s Republic of China (”PRC”), today announced its U.S based representative, Mr. Rick Dean, will present at the upcoming 19th Annual Roth Capital Partners OC Conference.

The Roth Capital Partners OC Conference is a three-day event featuring presentations from over 300 companies across a broad spectrum of sectors, such as technology, healthcare, financial services and consumer products.

     Date:           Wednesday, February 21, 2007     Time:           12:00 p.m. Pacific Time     Venue:          The Ritz Carlton Hotel, Dana Point, CA     Live webcast:   http://www.wsw.com/webcast/roth9/sgat.ob/   

A replay of the webcast will be available on the website for 90 days beginning the afternoon of the presentation.

Interested parties and institutional investors may register for the conference by visiting the conference website at http://www.rothconference.com/ or by calling Roth Capital Partners at (800) 678-9147.

About ShengdaTech, Inc.

ShengdaTech is engaged in the business of manufacturing, marketing and selling a variety of nano-precipitated calcium carbonate (“NPCC”) products and coal-based chemicals for use in various applications. The Company converts limestone into NPCC using its proprietary technology. The unique chemical and physical attributes make NPCC a valuable ingredient in tires, paints, polyvinyl chloride (“PVC”) building materials and other products. It enhances the durability of many products by increased strength, heat resistance, and dimension stabilization. The Company is also engaged in the manufacture and sale of coal-based chemical products namely ammonium bicarbonate, liquid ammonia, melamine and methanol. The Company markets and sells its coal-based products mainly for chemical fertilizers and raw materials in the production of organic and inorganic chemical products, including formaldehyde and pesticides.

   For more information, please contact:     Crocker Coulson, President    Leslie Richardson, Financial Writer    CCG Elite Investor Relations    Tel:   +1-310 231-8600 x103    Email: crocker.coulson@ccgir.com     Rick Dean, U.S. Representative    ShengdaTech, Inc.    Tel:   +1-716-626-3535    Email: rick@heritagemgmt.net  

ShengdaTech, Inc.

CONTACT: Crocker Coulson, President or Leslie Richardson, FinancialWriter, both of CCG Elite Investor Relations, +1-310 231-8600 x103, orcrocker.coulson@ccgir.com; or Rick Dean, U.S. Representative of ShengdaTech,Inc., +1-716-626-3535, or rick@heritagemgmt.net

Web Site: http://www.wsw.com/webcast/roth9/sgat.ob/