Exhibit 12.1


CERTIFICATION




I, ZHANG CHUNJIANG, certify
that:




1.           I have reviewed this annual report on
Form 20-F of China Netcom Group Corporation (Hong Kong) Limited (the
"Company");




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 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 annual
report;




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




4.           The Company's other certifying
officersand I are responsible for establishing
and maintaining disclosure controls and procedures (as defined in Exchange Act
Rules 13a-15(e) and15d-15(e)) andinternalcontrol over financial
reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the
Company 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 Company,
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
Company's disclosure controls and procedures and presented in this report our
conclusions about the effectiveness of the disclosure 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 Company's internal control over financial reporting that occurred during the
period coveredby the
annual report that has materially affected, or is reasonably likely to
materially affect, the Company's internal control over financial reporting;
and




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




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




Date: May
22 , 2008







By:
      /s/ Zhang ChunjiangZhang
      Chunjiang













CERTIFICATION


I, ZUO XUNSHENG, certify
that:




1.           I have reviewed this report on
Form20-F of China Netcom
Group Corporation (Hong Kong) Limited (the "Company");




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 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 inall material
respects the financial condition, results of operations and cash flows of the
Company as of, and for, the periods presented in this annual
report;




4.           The Company's other certifying
officersand I are responsible for establishing
and maintaining disclosure
controls and procedures (as defined in Exchange Act Rules 13a-15(e) and
15d-15(e)) andinternalcontrol over financial
reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the
Company 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 Company, including its
consolidated subsidiaries, is made known to us by others withinthose 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
Company's disclosure controls and procedures and presented in
this report our conclusions about the effectiveness of the disclosure
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 Company's internal
control over financial reporting that occurred during the period covered by the
annual report that has materially affected, or is reasonably likely to
materially affect, the Company's internal control over financial reporting;
and




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




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




Date: May 22, 2008







By:
      /s/ Zuo XunshengZuo
      Xunsheng