EXHIBIT 16.1 Office of the Chief Accountant Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Comet Technologies, Inc. Gentlemen: We have read Item 4.01 included in the Form 8-K dated July 26, 2006 of China Sky One Medical, Inc. (formerly Comet Technologies, Inc.) (Commission File No. 0-26059) filed with the Securities and Exchange Commission and are in agreement with the statement contained therein. We are not in a position to agree or disagree with the disclosures regarding e-Fang Accountancy Corp. /s/ HJ & Associates, LLC HJ & Associates, LLC Salt Lake City, Utah July 26, 2006