EXHIBIT 31
CERTIFICATION PURSUANT TO SECTION
302 OF THE SARBANES OXLEY ACT
I, Kexi Xu, certify that:
1. I have reviewed this 10-QSB of Jointland Development, Inc.;
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 small business issuer'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 small business issuer 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 registrant's other certifying 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 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
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 control over financial reporting.
Date: November _____, 2007
/s/ Kexi Xu
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Kexi Xu,
CEO and Acting CFO