Document:

EX-4.29

 Exhibit 4.29 

CSA BUILDING ASSET LEASE AGREEMENT 
 Party
A: Guangzhou Southern Airlines Construction Company Limited (leasor) 
 Party B: China Southern Airlines Company Limited (leasee) 

In view of the business development requirement from Party B, Party A and Party B agreed as follows after friendly negotiation in respect of
the lease of CSA Building assets from Party A by Party B: 
 Section I    Undertakings 

1. Party A is a legally existing enterprise in the PRC and has obtained the business license from the administrative department of industrial
and commercial administration pursuant to the relevant requirements of laws and regulations of the PRC, and has performed the annual inspection obligations under requirements. 

2. Party A legally owns the legal and complete title of assets listed in the appendix 1 (lists of leased assets in the offices) and appendix 2
(lists of leased parking lots) attached herein. Party A agreed that the assets leased by Party B may be used by Party B to the extent set forth herein. 

3. Party B is a legally existing enterprise in the PRC and has obtained the business license from the administrative department of industrial
and commercial administration pursuant to the relevant requirements of laws and regulations of the PRC, and has performed the annual inspection obligations under requirements. 

Section II    Leased subjects and rental 

After confirmed by both parties in negotiation, the annual rental of assets listed in appendix I of this Agreement leased by Party B was
RMB159.1128 million (capital: one hundred and fifty-nine million and one hundred and twelve thousand and eight hundred), the annual rental of assets listed in appendix 2 was RMB 5.52 million (capital: five million and five hundred and
twenty thousand), and the total annual transaction amount was RMB164.6328 million (capital: one hundred and sixty-four million and six hundred and thirty-two thousand and eight hundred). Party B is
entitled to reduce properly the leased areas based on its operating development needs and reduce the rental according to the charging standards herein. 

  
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 The price shall be fixed based on the fair market price in accordance with fair and reasonable
principles. Party A undertook that the price offered to Party B will not be higher than the average rental level in the same district and the same section. 

Section III    Term of lease 

Both parties agreed that the term of lease of assets in this Agreement shall be three years. 

Section IV    Payment of rental 

The rental shall be paid quarterly. Party B shall pay a quarter of the annual rental through bank transfer in the first month of every quarter
and within 15 days from the receipt date of Party A’s invoice of same amount. 
 Section V    Rights and
obligations of both parties 
 (I) Party A’s rights and obligations 

1. Party A shall collect the rental according to the Lease Agreement. 

2. Party A shall deliver the leased properties to Party B for its use under the Lease Agreement. 

3. If Party A actually needs to take back the leased properties for its own use during the term of lease, it shall notify Party B in writing
three months in advance, and shall at the same time reduce the rental according to the actual leased areas. 

  
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 4. Party A shall be responsible for the maintenance expense for the natural damage in the main
structure of the house. 
 5. Party A shall be responsible for the property tax and land use tax for the assets listed in the appendix of
this Agreement. 
 (II) Party B’s rights and obligations 

1. Party B shall make rental payment to Party A in a timely manner according to the Lease Agreement. 

2. Party B shall be responsible for the heat, water, electricity, gas and property management fees and other related fees incurred during the
term of lease. 
 3. Party B shall be responsible for the daily maintenance and repair of the leased assets other than the natural damage in
the main structure of the house during the term of lease, such as the leaking roof; cooperating to handle the insurance claims and the aftermath work relating to house maintenance. 

4. Party B shall normally use the house and its ancillary equipment with care in strict accordance with the use nature of the leased assets.
Party B shall pay attention to fire safety and shall not illegally store inflammable, explosive and other dangerous items in the house. 

5. Without Party A’s consent, Party B shall not change the floor structure and use of the premises during the term of lease. House
decoration could only be started with Party A’s prior consent. The attachments added during the decoration may discount to Party A at one time or demolish or relocate when the term of this Agreement expires, provided that the premises shall be
restored to the original state. Party A shall not increase the rental for the rising of value as a result of Party B’s decoration and upgrading. 

6. If party B needs to increase or decrease the lease scope during the term of lease, it shall notify Party A in writing three months in
advance while at the same time increase or decrease the rental based on the actual leased areas. 

  
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 Section VI    Default liabilities 

(I) Party A’s default liabilities 

1. If Party A fails to provide the leased premises to Party B within the time stipulated in this Agreement, it shall pay Party B the liquidated
damages equal to one thousandth of the rental payable by Party B during the delay period every day and shall return to Party B the rental paid by it for the delay period. 

2. If the main structure of the house damages naturally and Party A fails to repair, Party B may quit the lease or repair on behalf of Party
A, while the invoice of repair may offset the rental. 
 3. If for the government decrees and city planning and other special reasons, Party
A is unable to perform the obligations under this Lease, Party A may early terminate or change this Lease Agreement, take back the leased houses under this Agreement in whole or in part, provided that Party A is obliged to reimburse Party B on the
recovered assets under relevant requirements to the government’s reimbursement extent. 
 (II) Party B’s default obligations 

1. Party B shall use the leased premises in strict accordance with the provisions of relevant laws and regulations of the government. Without
Party A’s permission, the houses leased by Party B shall not be transferred, subleased or pledged. Party B shall reimburse Party A for the loss incurred by Party B’s illegally use of leased premises. 

2. Party B shall pay the rental under the Agreement. If Party B defaults to pay the rent, it shall pay the late fees at an amount equal to the
one thousandth of the rental payable every day; if Party B defaults for three months, Party A may take back the premises and claim the rental receivable and the liquidated damages according to law. 

3. If Party B damages the premises and its inherent ancillary facilities willfully or by negligence, it shall be liable to restore it 

to the original state or reimburse the loss. 

  
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 Section VII    Force majeure 

1. If this Agreement could not be performed as a result of force majeure, both parties shall not be liable for such unperformed acts and this
Agreement shall terminate automatically. If part of this Agreement is unable to be performed as a result of force majeure, the corresponding liabilities of the party who suffered from force majeure shall be exempted according to the extent of the
force majeure, provided that the other part of this Agreement not affected by the force majeure shall continue. If the force majeure happens as a result of late performance, liabilities shall not be exempted. 

Force majeure refers to the objective conditions that are unpredictable, unavoidable and insuperable, including but not limited to war,
pandemic, strike, earthquake, flood, etc. 
 2. Any party who fails to perform the agreement for the purpose of force majeure, shall give
notice to the other party in a timely manner within 48 hours to minimize the loss that may incurred to the other party, and shall provide evidence within 15 working days. To the extent there is reasonable reason for the delay of notice and provision
of evidence, the time stipulated in this clause may be extended under actual situation. 
 Section VIII    Settlement of
disputes 
 For any dispute arising from the execution or performance of this Agreement, each party shall try to settle by friendly
negotiation at first. If negotiation fails, any party may initiate a suit to the people’s court having the jurisdiction. 
 Section
IX    Miscellaneous 
 (I) This Agreement shall come into effect upon the signature and affixing of seals by both
parties. 

  
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 (II) For the matters not mentioned herein, each party shall otherwise sign a supplemental
agreement, and the supplemental agreement shall have the same effect as this Agreement; the performance of this Agreement shall strictly comply with relevant laws and regulations of the People’s Republic of China and shall meet the requirements
of relevant laws and regulations of the place where Party B listed and the Listing Rules. 
 (III) This Agreement is made in six
originals with each party holding three copies, and each one has the same legal binding. 
 Party A: Guangzhou Southern Airlines Construction Company
Limited 
 Party B: China Southern Airlines Company Limited 
  

			
	Authorized representative:	  	Authorized representative:

 This Agreement is signed in Guangzhou as at
                 

  
 6EX-4.30

 Exhibit 4.30 

Asset Lease Framework Agreement 
 This
Agreement shall be signed by the following parties in Guangzhou as at .......: 
 Party A: China Southern Air Holding Limited Company 

Address: Guangzhou Baiyun International Airport, Guangdong Province 

Legal Representative: Wang Chang Shun (王昌顺) 
 Party B: China Southern Airlines Company Limited 

Address: Unit 301, 3/F, Office Tower Guanhao Science Park Phase I, 12 Yuyan Street Huangpu District, Guangzhou, Guangdong Province 

Legal Representative: Wang Chang Shun (王昌顺) 
 Based on the equal, voluntary and paying principles, Party A and Party B
arrived to the following framework agreement in respect of the lease of assets in Wuhan, Changsha, Haikou, Zhanjiang, Nanyang, Guangzhou, Hengyang, Shashi and other cities by Party B from Party A after friendly negotiation: 

Chapter I General 

Section I    For the houses and lands leased to Party B for its use by Party A under this Agreement, Party A undertook
that it owns the legal and complete title and legal land use right for the houses. The underground resources, buried objects and municipal public facilities are not included in the lease scope of land use right. 

 Section II    Party B’s lease of houses under this Agreement and its
activities of using and operating the lands within the scope of land use right are protected by the law of the state in terms of its legal rights and interest. 

Section III    Party A hereunder includes China Southern Air Holding Limited Company and its wholly-owned and holding
subsidiaries. Party B includes China Southern Airlines Company Limited and its wholly-owned and holding subsidiaries. 
 Chapter II
Specific Agreement 
 Section IV    Party A shall lease the assets to Party B for its use and the transaction price
shall be fixed following the fair and reasonable principle and based on the fair market price. 
 Section V    Party A
and Party B shall otherwise sign a specific agreement to stipulate the scope of lease and relevant details. 
 Section
VI    For the houses and lands leased under this Agreement, its use shall not violate relevant requirements of the state and exceed the scope as agreed by both parties. If Party B needs to change the use of lands or houses
specified in this Agreement during the term of lease, it shall obtain Party A’s permission. 

 Chapter III Taking Effect and Validity of this Agreement 

Section VII    The validity of this Agreement shall be three years from 1 January 2018 to 31 December 2020; this
Agreement shall be legally binding upon both parties since the effective date. 
 Section IV Special Agreement 

Section VIII    The price for the transactions of both parties shall be determined following the fair and reasonable
principle, based on the fair market price and in accordance with the national or local charging requirements with reference to the assets appraisal report. The transaction price Party A offers to Party B shall not be higher than the price from
independent third parties or the charging standards. 
 Section IX    Both Party A and Party B mutually agreed that, the
total annual transaction under this Agreement shall not exceed maximum limit of RMB116.198 million. As for the amount of transaction cap, Party A and Party B shall satisfy the requirements under the Listing Rules in performing this Agreement.

 Section V Default Liabilities 

Section X    Any party breaching the provisions under this Agreement shall constitute a breach. The default party shall
bear the default liabilities pursuant to the relevant provisions of the PRC Contract Law, while the other party shall have the right to terminate this Agreement. 

 Section XI    If Party A and Party B only breach the specific agreement
signed under this Agreement, such default shall be handled in accordance with the provisions of the specific agreement and shall not affect this Framework Agreement and other specific agreements therein. 

Chapter VI Miscellaneous 

Section XII    Without prior written consent from both parties, neither party shall change or amend the terms and content
of this Agreement. The supplements and amendments which form the written supplemental agreement shall be legally binding on both parties only after both parties’ mutually consent. 

Section XIII    For the matters not mentioned herein, both parties shall otherwise negotiate and sign a supplemental
agreement in writing, and such written supplemental agreement shall have the same legal effect as this Agreement. 
 Section
XIV    For any dispute arising from the interpretation, validity and execution process of this Agreement, Party A and Party B shall try to settle by friendly negotiation. If negotiation fails, any party may initiate a suit to the
people’s court in Guangzhou having the jurisdiction. 
 Section XV    This Agreement is made in six counterparts
with each party holding three counterparts, and each one has equal legal effect. 

 Party A: China Southern Air Holding Limited Company 

Authorized representative: 
 20     

Party B: China Southern Airlines Company Limited 
 Authorized
representative: 
 20

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