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8-K/A - Rio Bravo Oil, Inc.v245357_8ka.htm
RONALD R. CHADWICK, P.C.
Certified Public Accountant
2851 South Parker Road, Suite 720
Aurora, Colorado  80014
Telephone (303)306-1967
Fax (303)306-1944


January 10, 2012

United States Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C.  20549

Re: Soton Holdings Group, Inc.

On December 15, 2011 my appointment as auditor for Soton Holdings Group, Inc. ceased. I have read Soton Holdings Group, Inc.’s statements included under Item 4.01 of its Second Amended Form 8-K/A dated January 10, 2012 and agree with such statements, insofar as they apply to me.

Very truly yours,

/s/ Ronald R. Chadwick, P.C.
 
Ronald R. Chadwick, P.C.
Certified Public Accountant