EXHIBIT 31.1 

**CERTIFICATIONS PURSUANT TO**

**SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002**

**CERTIFICATION**

I, Jeffrey Kang, certify that:

1. I have reviewed this annual report on Form 10-K of Cogo Group, Inc.; 

2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to makethe statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; 

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of theregistrant as of, and for, the periods presented in this report; 

4. The registrant’s other certifying officer(s) and I areresponsible establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15 (e) and 15d-15 (e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15 (f) and 15d-15 (f))for the registrant and we have: 

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures tobe designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this annualreport is being prepared; 

b) designed such internal control over financial reporting, or caused such internal control over financialreporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accountingprinciples; 

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report ourconclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this annual report based on such evaluation; and 

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s fourth fiscal quarter that has materially affected, or is reasonablylikely to materially affect, the registrant’s internal control over financial reporting; and 

5. The registrant’s othercertifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or personsperforming the equivalent functions): 

a) all significant deficiencies and material weaknesses in the design or operation of internalcontrol over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and 

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controlover financial reporting. 

Date: March 16, 2009