**EXHIBIT
      31.2**





**CERTIFICATION**





I,
      Yue
      Pu, certify that:





1.
        I have
        reviewed this Annual
        Report on Form 10-KSB/A of China Broadband, Inc. (f/k/a Alpha Nutra,
        Inc.) for the period ended December 31, 2007;





2.
      Based
      on my knowledge, this report does not contain any untrue statement of a material
      fact or omit to state a material fact necessary to make the 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 the small business issuer
      as
      of, and for, the periods presented in this report;





4.
The
        registrant's other certifying officer(s) and I are responsible for 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
        have:




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





(b)
        Designed such internal control over financial reporting, or caused such internal
        control over financial reporting 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 accounting principles;





(c)
        Evaluated the effectiveness of the small business issuer's disclosure controls
        and procedures and presented in this report our conclusions about the
        effectiveness of the disclosure controls and procedures, as of the end of
        the
        period covered by this report based on such evaluation; and





(d)
        Disclosed in this report any change in the small business issuer's internal
        control over financial reporting that occurred during the small business
        issuer's most recent fiscal quarter (the small business issuer's fourth fiscal
        quarter in the case of an annual report) that has materially affected, or
        is
        reasonably likely to materially affect, the small business issuer's internal
        control over financial reporting; and





5.
      The
      small business issuer's other certifying officer(s) and I have disclosed, based
      on our most recent evaluation of internal control over financial reporting,
      to
      the small business issuer's auditors and the audit committee of the small
      business issuer's board of directors (or persons performing the equivalent
      functions):





(a)
      All
      significant deficiencies and material weaknesses in the design or operation
      of
      internal control over financial reporting which are reasonably likely to
      adversely affect the small business issuer'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 small business issuer's internal control over
      financial reporting.




September
                    29, 2008
              By:
              */s/ Yue
                Pu*Name:
                Yue PuTitle: Vice
                Chairman
                (Principal
                  Accounting and Financial
                Officer)