Exhibit 2.2 William McKay 2240 Buena Vista Irwindale, CA 91706 February 10, 2000 BY TELECOPY - ----------- Samuel T. Mok., Voting Trustee 1001 Connecticut Avenue, N.W. Suite 1035 Washington, D.C. 20036 Attention: Samuel T. Mok and also to, Sunbase Asia, Inc. Smith Acquisition Company d/b/a Southwest Products Company, Inc. Dear Ladies and Gentlemen: This letter agreement shall represent an amendment to that certain Stock Purchase Agreement (the "Stock Purchase Agreement") pursuant to which William ------------------------ McKay has agreed to acquire all of the issued and outstanding capital stock of Smith Acquisition Company d/b/a Southwest Products Company, Inc.. Section 1.2 of the Stock Purchase Agreement shall be amended read as ----------- follows: 1.2 Time and Place of Closing. (a) The closing of the transactions contemplated hereby (the "Closing") will take place on April 10, 2000, or such earlier date as the ------- parties may agree in writing (the "Closing Date"). The Closing shall be ------------ held at the offices of Jenkens & Gilchrist, 1919 Pennsylvania Ave., N.W., Suite 600, Washington, D.C. 20006, or such location as may be agreed upon by the parties. A substitute page that amends Section 1.2 to that effect is attached herewith (to replace page 1 of the Stock Purchase Agreement). Section 4.2 is amended to insert: "10,000,000 shares of common stock, no par value, and 4,000,000 shares of preferred stock, no par value". A substitute page that sets forth in Section 4.2 the number of issued and authorized shares of the Company is attached herewith (to replace page 4 of the Stock Purchase Agreement). WILLIAM MCKAY By: /s/ William Reed McKay ----------------------------------- Print Name: William Reed McKay ------------------------ AGREED AND ACCEPTED: SMITH ACQUISITION COMPANY D/B/A SOUTHWEST PRODUCTS COMPANY, INC. By: /s/ Samuel T. Mok ----------------------------------- Name: SAMUEL T. MOK ------------------------------ Title: CHAIRMAN ----------------------------- SAMUEL T. MOK Voting Trustee By: /s/ Samuel T. Mok ----------------------------------- Print Name: SAMUEL T. MOK ------------------------ SUNBASE ASIA, INC. By: /s/ Li Yuen Fai Roger ----------------------------------- Name: LI YUEN FAI ROGER ------------------------------ Title: CHIEF FINANCIAL OFFICER -----------------------------