AJ. ROBBINS, P.C.
CERIFIED PUBLIC ACCOUNTANTS
216 SIXTEENTH STREET
SUITE 600
DENVER, COLORADO 80202
April 20, 2009
Untied States Securities and
Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
Re: | SRKP 18, Inc. |
Dear Sir/Madam:
We have read Item 4.01 of the Form 8-K, dated April 20, 2009, of ZST Digital Networks, Inc. (formerly known as SRKP 18, Inc. and hereinafter referred to as the “Company”), regarding the recent change of auditors. We agree with such statement made regarding our firm. We have no basis to agree or disagree with other statements made under Item 4.01.
Very truly yours,
AJ. Robbins, PC
By /s/ AJ. Robbins | ||||
AJ. Robbins, CPA | ||||