CHOP [China Gerui Advanced Materials] SC 13G/A: SCHEDULE 13G (Amendment No. 1)* China Gerui Advanced

[SCHEDULE 13G (Amendment No. 1)* China Gerui Advanced Materials Group Limited (formerly known as China Opportunity Acquisition Corp) (Name of Issuer) (Title of Class of Securities) G21101111 (CUSIP Number) December 31, 2009 (Date of Event Which Requires Filing of this Statement) o þ o * The remainder of this cover page shall be filled out for a reporting person’s initial]

CHOP [China Gerui Advanced Materials] SC 13G/A: *The remainder of this cover page shall be

[*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be the Act]

CHOP [China Gerui Advanced Materials] SC 13G/A: (Original Filing)

[*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be the Act]

CHOP [China Gerui Advanced Materials] SC 13G/A: (Original Filing)

[*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be the Act]

CHOP [China Gerui Advanced Materials] 6-K: (Original Filing)

[Company Contact: Investor Relations Contact: Email: investors@gerui-grp.com CCG Investor Relations Website: www.gerui-grp.com Mr. Athan Dounis, Account Manager Phone: 1-646-213-1916 Email: athan.dounis@ccgir.com Mr. Crocker Coulson, President Phone: 1-646-213-1915 Email: crocker.couls on@ccgir.com Website: www.ccgasiair.com Golden Green Enterprises Limited Announces Name Change to China Gerui Advanced Materials Group Limited ZHENGZHOU, China Other than the name change, there are no changes to Gerui’s corporate] [FORM 6-K CHINA GERUI ADVANCED MATERIALS GROUP LIMITED No. 69 Huaibei Street Longhai Middle Road Zhengzhou, 451191, China of Form 20-F or Form 40-F. Form 20-F x Form 40-F ¨ ¨ x Corporate Name Change to China Gerui Advanced Materials Group Limited On November 30, 2009, the Board of Directors of Golden Green Enterprises Limited (the “Company”) authorized the Company’s]

CHOP [China Gerui Advanced Materials] 6-K: Company Contact: Investor Relations Contact: Email: investors@gerui-grp.com CCG

[Company Contact: Investor Relations Contact: Email: investors@gerui-grp.com CCG Investor Relations Website: www.gerui-grp.com Mr. Athan Dounis, Account Manager Phone: 1-646-213-1916 Email: athan.dounis@ccgir.com Mr. Crocker Coulson, President Phone: 1-646-213-1915 Email: crocker.couls on@ccgir.com Website: www.ccgasiair.com Golden Green Enterprises Limited Announces Name Change to China Gerui Advanced Materials Group Limited ZHENGZHOU, China Other than the name change, there are no changes to Gerui’s corporate] [FORM 6-K CHINA GERUI ADVANCED MATERIALS GROUP LIMITED No. 69 Huaibei Street Longhai Middle Road Zhengzhou, 451191, China of Form 20-F or Form 40-F. Form 20-F x Form 40-F ¨ ¨ x Corporate Name Change to China Gerui Advanced Materials Group Limited On November 30, 2009, the Board of Directors of Golden Green Enterprises Limited (the “Company”) authorized the Company’s]

CHOP [China Gerui Advanced Materials] 6-K: (Original Filing)

[Company Contact: Investor Relations Contact: investors@gerui-grp.com Email: CCG Investor Relations www.gerui-grp.com Website: Mr. Athan Dounis, Account Manager Phone: 1-646-213-1916 athan.dounis@ccgir.com Email: Mr. Crocker Coulson, President Phone: 1-646-213-1915 crocker.co ulson@ccgir.com Email: www.ccgasiair.com Website: Golden Green Enterprises Limited Announces Third Quarter 2009 Results ZHENGZHOU, China Third Quarter 2009 Highlights l Revenue increased 6.0% to $59.3 million from $55.9 million in the third] [GOLDEN GREEN ENTERPRISES LIMITED INDEX TO CONSOLIDATED FINANCIAL STATEMENTS Contents Page(s) Consolidated Balance Sheets at September 30, 2009 (Unaudited) and December 31, 2008 1 Consolidated Statements of Income for the Three and Nine Months Ended September 30, 2009 and 2008 (Unaudited) 2 Consolidated Statement of Changes in Stockholders' Equity for the Nine Months Ended September 30, 2009 (Unaudited) 3 Consolidated] [No. 69 Huaibei Street Longhai Middle Road Zhengzhou, 451191, China x o o x Description 99.1 Press Release dated November 20, 2009 99.2 Unaudited Consolidated Financial Statements for the Quarter Ended September 30, 2009 2]

CHOP [China Gerui Advanced Materials] 6-K: Company Contact: Investor Relations Contact: investors@gerui-grp.com Email: CCG

[Company Contact: Investor Relations Contact: investors@gerui-grp.com Email: CCG Investor Relations www.gerui-grp.com Website: Mr. Athan Dounis, Account Manager Phone: 1-646-213-1916 athan.dounis@ccgir.com Email: Mr. Crocker Coulson, President Phone: 1-646-213-1915 crocker.co ulson@ccgir.com Email: www.ccgasiair.com Website: Golden Green Enterprises Limited Announces Third Quarter 2009 Results ZHENGZHOU, China Third Quarter 2009 Highlights l Revenue increased 6.0% to $59.3 million from $55.9 million in the third] [GOLDEN GREEN ENTERPRISES LIMITED INDEX TO CONSOLIDATED FINANCIAL STATEMENTS Contents Page(s) Consolidated Balance Sheets at September 30, 2009 (Unaudited) and December 31, 2008 1 Consolidated Statements of Income for the Three and Nine Months Ended September 30, 2009 and 2008 (Unaudited) 2 Consolidated Statement of Changes in Stockholders' Equity for the Nine Months Ended September 30, 2009 (Unaudited) 3 Consolidated] [No. 69 Huaibei Street Longhai Middle Road Zhengzhou, 451191, China x o o x Description 99.1 Press Release dated November 20, 2009 99.2 Unaudited Consolidated Financial Statements for the Quarter Ended September 30, 2009 2]

CHOP [China Gerui Advanced Materials] 424B1: Registration Nos. 333-161924 and 333-163013 PROSPECTUS 4,800,000 Ordinary

[Registration Nos. 333-161924 and 333-163013 PROSPECTUS 4,800,000 Ordinary Shares GOLDEN GREEN ENTERPRISES LIMITED · We are offering 4,800,000 ordinary shares. · Our ordinary shares have been approved for listing on the Nasdaq Global Market under the symbol “CHOP.” The purchase of the ordinary shares involves a high degree of risk. See “ Risk Factors” beginning on e pag 10 .]

CHOP [China Gerui Advanced Materials] 6-K: (Original Filing)

[4,800,000 ORDINARY SHARES GOLDEN GREEN ENTERPRISES LIMITED UNDERWRITING AGREEMENT November 9, 2009 MAXIM GROUP LLC 405 Lexington Avenue New York, NY 10174 As Representative of the Underwriters Schedule A named on Ladies and Gentlemen: Company Underwriters Representative Ordinary Shares Firm Shares Golden Green Enterprises Limited, a corporation organized and existing under the laws of the British Virgin Islands (the “] [Company Contact: Investor Relations Contact: investors@gerui-grp.com Email: CCG Investor Relations www.gerui-grp.com Website: Mr. Athan Dounis, Account Manager Phone: 1-646-213-1916 athan.dounis@ccgir.com Email: Mr. Crocker Coulson, President Phone: 1-646-213-1915 crocker.couls on@ccgir.com Email: www.ccgasiair.com Website: Golden Green Enterprises Limited Prices $24 Million Public Equity Offering and Announces Listing on NASDAQ ZHENGZHOU, China Golden Green intends to use the net proceeds from the offering] [No. 69 Huaibei Street Longhai Middle Road Zhengzhou, 451191, China x x Description 1.1 Underwriting Agreement, dated November 9, 2009 4.1 99.1 Press Release, dated November 10, 2009]

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