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Exhibit 10.21
ADDENDUM

THIS ADDENDUM (the “Addendum”) is made effective as of  June 30, 2010 by and
between Henan Chaoyang Steel Co., Ltd. (“Party A”) and China Armco Metals, Inc.
(“Party B”). Party A and Party B may collectively be referred to as the
“Parties”.

BACKGROUND

A.  Party A and Party B are the parties to that certain Guaranty Cooperation
Agreement dated June 11, 2010 (the "Agreement"); and

B.  The parties desire to amend certain parts of the Agreement as set forth
below.

NOW, THEREFORE, in consideration of the execution and delivery of the Agreement
and other good and valuable considera­tion, the receipt and sufficiency of which
are hereby acknowl­edged, the parties hereby agree as follows:

1.
A new section 6 is hereby added as follows:

6. Additional Terms.

a.  In the event Party A fails or refuses to guaranty any loan on behalf of
Party B up to RMB 300,000,000 (the “Commitment Amount”) during the five (5) year
term of this Agreement, Party A shall return to Party B a prorata number of the
500,000 shares it received as compensation under this Agreement.  The number of
shares to be returned shall equal the result of multiplying 500,000 shares by a
fraction where the numerator is (i) the number of months from the date Party A
fails or refused to guarantee the Commitment Amount through the fifth
anniversary of this Agreement; and the denominator is (ii) 60.

b. In the event that Party A fails or refuses to guaranty the Commitment Amount,
Party B may seek damages against Party A in the amount of two times the amount
of shares forfeited.

2.
This Addendum shall be deemed part of, but shall take precedence over and
supersede any provisions to the contrary contained in the Agreement. All initial
capitalized terms used in this Addendum shall have the same meaning as set forth
in the Agreement unless otherwise provided.  Except as specifically modified
hereby, all of the provisions of the Agreement which are not in conflict with
the terms of this Addendum shall remain in full force and effect.

IN WITNESS WHEREOF, the parties hereto have executed this Addendum as of the
date first above written.

Henan Chaoyang Steel Co., Ltd.
 
By:__(CORPORATE SEAL)________________
Print Name: ____________________________
Title: _________________________________
China Armco Metals, Inc.
 
By:___(CORPORATE SEAL)_______________
Print Name: ____________________________
Title: _________________________________