The Bank of New York 101 Barclay Street 22W New York NY 10286 USA October 5 2006 SECURITIES & EXCHANGE COMMISSION 450 Fifth Street NW Washington DC 20549 Attn. Document Control RE American Depositary Shares evidenced by the American Depositary Receipts each representing one hundred Ordinary Shares of Aluminum Corporation of China Limited (Form F6 File No. 33314070) Ladies and Gentlemen Pursuant to Rule 424(b)(3) under the Securities Act of 1933 as amended on behalf of The Bank of New York as Depositary for securities against which American Depositary Receipts are to be issued we attach a copy of the new prospectus (Prospectus) reflecting the change in number of ordinary shares represented by one American Depositary Share (the Ratio). As required by Rule 424(e) the upper right hand corner of the Prospectus cover page has a reference to Rule 424(b)(3) and to the file number of the registration statement to which the Prospectus relates. Pursuant to Section III B of the General Instructions to the Form F6 Registration Statement the Prospectus consists of the ADR certificate with revised ratio for Aluminum Corporation of China Limited. The Prospectus has been revised to reflect the new ratio and has been overstampted with Effective October 10 2006 the Companys American Depositary Share (ADS) Ratio Changed from 1100 (One ADS representing One Hundred Ordinary Share) to 125 (One ADS representing Twenty Five Ordinary Shares). Please contact me with any questions or comments at 212 8155009 Thomas Divivo Vice President The Bank of New York ADR Division Encl. CC Paul Dudek Esq. (Office of International Corporate Finance)