PUBLIC INQUIRY DOCUMENT FOR DRILLING VESSEL LEASE FOR THE INVESTIGATION PROJECT OF ESTEEL SOGIP TERM

PUBLIC INQUIRY DOCUMENT FOR DRILLING VESSEL LEASE FOR THE INVESTIGATION PROJECT OF ESTEEL SOGIP TERMINAL IN SABAH, MALAYSIA

1. Inquiry Subject

Our company intends to procure 1 item of vessel leasing service, and hereby conducts a public inquiry for the following service matters:

2. Quotation Instructions and Format

2.1 The quotation for the procured materials this time shall be a fixed unit price. The vessel lease fee shall include labor, basic daily rent of the vessel, management (including fresh water supply, living supplies, etc.), vessel maintenance and repair, vessel depreciation, vessel insurance, and invoice taxes and other fees. The fuel cost during the vessel lease period shall be borne by the inquirer, and the inquirer shall not bear any other additional fees. The settlement shall be made based on the actual usage during the lease period.

*2.2 The quotation document must be signed by the legal representative or authorized person and affixed with the official seal of the quoting unit.

2.3 The quotation this time shall be in Malaysian Ringgit (MYR), with a tax-inclusive ceiling of 7,200 Ringgit per day.

*3. Service Date and Location

3.1 Service Period: The estimated construction period is 45 days.

3.2 Service Location: Waters near Esteel Sogip Terminal, Sipitang, Sabah, Malaysia.

4. Qualification Requirements for Quoters

4.1 Have independent legal person qualification and hold a valid business license.

4.2 Joint quotation is not allowed.

4.3 The quoter shall not be a market subject listed in the blacklist or key attention list of China Communications Construction Group (CCCC) level or the inquirer's company level.

4.4 There shall be no association between the quoters.

4.5 Suppliers at the inquirer's company level, or suppliers that have added the inquirer as a cooperation unit, as well as suppliers at CCCC group level.

4.6 The quoter shall provide one vessel that meets the requirements of the inquiry document, and the specific requirements shall refer to "Clause 7, Product Quality Requirements" of the inquiry document.

5. Supplier Selection Principle

5.1 For quoters that meet the "4. Qualification Requirements for Quoters", the winning candidates shall be recommended in ascending order of tax-inclusive price; for those with the same tax-inclusive quotation, vessels with drilling platform erection certificates shall be recommended first; if the quoted vessel types are also the same, comprehensive evaluation shall be conducted through enterprise qualification, reputation, financial status, and past performance.

*6. Payment Method

6.1 The currency of the contract price shall be Malaysian Ringgit (MYR), and the payment shall be made directly by bank transfer or telegraphic transfer within Malaysia.

6.2 (1) No advance payment shall be set for this procurement; (2) During the lease period, the two parties shall take 30 natural days as one settlement cycle, and the inquirer shall complete the payment of the vessel rent for this cycle within 30 natural days from the starting date of each settlement cycle; if the last settlement cycle is less than 30 natural days, after the end of the lease period, the two parties shall settle based on the actual number of days of use, and pay the corresponding remaining lease fee within 30 working days.

7. Product Quality Requirements

The drilling vessel provided by the quoter shall meet at least the following conditions:

1).Comply with the requirements of safe production and the regulatory authorities of the Malaysian government, meet the requirements for handling water construction permits, and a letter of commitment shall be provided.

2).It is required to equip 1 barge and 1 tugboat. The barge shall have a total length of no less than 80 feet and a width of no less than 25 feet; the tugboat shall meet the shifting needs of the barge.

3).Before the vessel enters the site, the supplier shall modify the barge's anchor machine equipment as required by the inquirer. The modification requirements are as follows: the barge shall be equipped with 4 anchor machines and supporting anchors (anchor weight about 1-2 tons), the anchor ropes shall be steel wire ropes (single length 150-200 meters, diameter 28-30 mm), and the modification cost of the anchor machine shall be borne by the supplier.

4).The inquirer prefers vessels of engineering ship type.

5).The crew allocation of the vessel shall meet the local crew allocation requirements, and a letter of commitment and valid ship inspection certificate shall be provided.

8. Acquisition of Inquiry Documents

8.1 All interested quoters shall log in to the Supply Chain Management Information System of China Communications Construction Group (http://zjzcw.****.cn) to complete the registration and download the electronic inquiry document from2026 to 2026 , (Beijing Time, the same below).

8.2 Suppliers that have already registered in the system and have been approved as suppliers at the inquirer's company level, or have added the inquirer as a cooperation unit, as well as superior suppliers, can directly register to participate.

8.3 Registered suppliers at the same level that have not added the inquirer as a cooperation unit need to apply for cooperation intention and get approved before registering to participate.

8.4 Unregistered units in the supply chain system need to complete registration, select the inquirer as the recommended unit or cooperation intention unit, and can register to participate only after the approval is passed.

9. Submission of Quotation Documents

9.1 The deadline for submission of quotation documents (hereinafter referred to as the quotation deadline) is [Date], 2026. The quoter shall submit the electronic quotation document through the Supply Chain Management Information System of China Communications Construction Group before the deadline.

9.2 Quotation documents delivered overdue shall be rejected by the Supply Chain Management Information System of China Communications Construction Group.

9.3 The quotation document of the supplier for electronic procurement shall consist of the electronic quotation form and attachments. In case of any conflict between the electronic quotation form and the attachments, the data in the attachments shall prevail.

10. Notice on the《Administrative Measures for Blacklist and Key Attention List》

NOTICE ON THE 《ADMINISTRATIVE MEASURES FOR BLACKLIST AND KEY ATTENTION LIST》

In order to thoroughly implement the important deployment of the 19th, 20th National Congress of the Communist Party of China and the Second Plenary Session of the 20th Central Commission for Discipline Inspection on insisting on investigating both bribery and corruption, as well as the relevant spirit of the Sixth Plenary Session of the 19th Central Commission for Discipline Inspection on exploring the establishment of a blacklist system for bribers in the engineering construction field and deepening the ecological governance of the construction industry, effectively protect the legitimate rights and interests of all parties to the contract in the business cooperation of China Communications Construction Group (hereinafter referred to as the Group) and China Communications Construction Fourth Harbor Engineering Investigation and Design Institute Co., Ltd. (hereinafter referred to as the Company) in the fields of procurement, subcontracting, equipment leasing, consulting services, etc., prevent and govern dishonest behaviors and unethical behaviors such as commercial bribery that disrupt the normal order of social operation, and continuously create a clean, upright, open and transparent good market environment, these Measures are formulated in accordance with the Criminal Law of the People's Republic of China, the Civil Code of the People's Republic of China, the Bidding and Tendering Law of the People's Republic of China, the Regulations on the Implementation of the Bidding and Tendering Law of the People's Republic of China and other national laws and regulations, the Regulations on Disciplinary Actions of the Communist Party of China and other Party regulations and disciplines, and the relevant systems of the Company.

I. Punishment Provisions

According to different dishonest facts and the impact caused, the relevant market subjects shall be listed in the blacklist or key attention list respectively.

Joint punishment of "one dishonesty, restrictions everywhere" shall be implemented for market subjects listed in the blacklist and key attention list of the Group and the Company, and comprehensive entry prohibition or key supervision measures shall be implemented in all business fields of the Company.

(1) For those listed in the blacklist or key attention list, the involved subcontractors and suppliers shall be published by the Company's Supply Chain Management Department respectively. The release of relevant information may include but is not limited to public announcement on the Company's relevant system platforms, information disclosure to unspecified third parties, etc.

(2) The blacklist may be provided to government departments and units that co-build and share integrity and clean governance with the Company in accordance with laws and regulations. The pushed content may include but is not limited to the names of market subjects with dishonesty and unethical behaviors, legal representative information; the situation of dishonesty and unethical behaviors and relevant handling results, etc.

II. Determination Criteria

The listing in the blacklist and key attention list mainly includes two types of dishonest situations: unethical behaviors and dishonest behaviors, as well as other situations recognized by the market.

1. Unethical Behaviors

(1) Bribing the Company's personnel or their relatives and specific related persons.

(2) Giving gifts, cash, and marketable securities to the Company's personnel or their relatives.

(3) Paying or reimbursing the expenses that should be paid personally by the Company's personnel or their relatives.

(4) Using resources to facilitate the investment and shareholding, personal loans, stock and bond trading of the Company's personnel or their relatives.

(5) Facilitating the purchase or decoration of houses, marriage and funeral, schooling or work arrangement of spouses and children, going abroad (border), tourism, etc. for the Company's personnel.

(6) Arranging banquets, fitness, entertainment and other activities that may affect the impartial performance of official duties for the Company's personnel.

(7) Purchasing or providing communication tools, transportation vehicles and high-grade office supplies for the Company's personnel or their relatives.

(8) Allowing the Company's personnel or their relatives and specific related persons to invest in, hold important positions and related business positions in the partner enterprise.

(9) Other behaviors that cause the Company's personnel to be punished by laws and regulations, or subject to Party disciplinary sanctions or Company sanctions.

(10) Other unethical behaviors that violate the Party Constitution and other internal Party regulations, national laws and regulations, and relevant provisions of the Company.

2. Dishonest Behaviors

(1) Colluding in bidding, bidding up prices.

(2) Bidding or auctioning in the name of others, or defrauding the winning (selection) by means of providing false qualifications and materials.

(3) Refusing to sign the contract after winning the bid, or failing to perform the contract after signing the contract (except for force majeure).

(4) Subcontracting or transferring the contract in violation of the contract agreement.

(5) In the process of performing the contract, resorting to malicious extortion and blackmail by means of work stoppage and work obstruction, so as to achieve the purpose of increasing the contract price or obtaining compensation.

(6) Causing safety, quality and environmental protection accidents (incidents) due to illegal activities or product problems, or causing losses to the Company.

(7) Being complained by the project and bearing the main responsibility.

(8) Fabricating and distorting facts or providing false materials to maliciously initiate litigation and arbitration against the Company and its subordinate units.

(9) Refusing to obey the persuasion of staff, maliciously committing any of the acts specified in Article 26 of the Regulations on Letters and Visits Work (implemented on May 1, 2022), and after verification, the petition motive is bad, the demands are seriously unreasonable and illegal, which belongs to "resolving problems by making trouble" to obtain improper interests.

(10) Other dishonest behaviors that violate relevant laws, regulations, rules, normative documents and relevant provisions of the Company.

3. Other Situations

(1) Being recognized as a dishonest person subject to enforcement by the effective legal documents of the people's court; being recognized as having serious dishonest behaviors by the effective documents of the administrative organ.

(2) Being listed in the list of seriously illegal and dishonest business operations or abnormal business operations by the National Enterprise Credit Information Publicity System.

(3) Being listed in the list of seriously dishonest subjects by the "Credit China" website.

(4) Being recognized as having unethical behaviors or major dishonest behaviors by official letters from superior or other units.

(5) Blacklists and key attention lists provided by the Company's partners in the co-construction and sharing of integrity and clean governance.

III. Disposal Measures

1. Disposal Measures for Blacklist

For those listed in the blacklist, according to the specific facts and circumstances, they shall be subject to 1-year, 3-year or permanent entry prohibition punishment within the Company. During the validity period of entry prohibition, they shall not participate in any production and operation activities such as bidding; those listed in the blacklist for the second time shall be permanently prohibited from entering.

For market subjects listed in the Group or Company's blacklist, all business leading departments shall immediately stop cooperating with them. In special circumstances where it is necessary to continue to perform the contract or sign a supplementary agreement, the business leading department shall fill in the Concession Use Approval Form, submit it to the Company's competent functional department for verification after being reviewed and approved by the person in charge of the business leading department, and then submit it to the Company's person in charge of business management for approval, and finally to the Company's Leading Group for Party Building, Clean Government and Anti-Corruption for approval, and be filed by the Discipline Inspection Office. Market subjects used under concession shall be subject to key supervision during the cooperation period, and the payment shall not exceed the proportion, so as to ensure the correct performance of the contract, and the cooperation shall be terminated after the expiration.

2. Disposal Measures for Key Attention List

Those who have illegal and dishonest circumstances but have not reached the determination criteria for blacklist shall be listed in the key attention list.

For those listed in the key attention list, according to the specific facts and circumstances, the Company's management functional department shall, jointly with the business leading department, give penalties such as interview, warning and order to rectify, strengthen the supervision and inspection, and implement key supervision. A rectification validity period may be set according to the specific facts and circumstances. During the rectification period, they shall not participate in new bidding, procurement and other production and operation activities. Those who fail to effectively rectify within the rectification period shall be listed in the blacklist.

IV. Credit Repair

For market subjects that have completed rectification within the entry prohibition or rectification period, actively corrected dishonest behaviors, eliminated adverse effects and promised to strictly abide by the Company's credit management system in the future, credit repair may be completed in accordance with the procedures.

Credit repair shall be applied for by the market subjects, and the Credit Repair Application Form shall be submitted to the business leading department or relevant functional department of the Company that undertakes the cooperation business. The functional department of the Company shall conduct verification and confirmation, and after being reviewed and approved by the Company's Discipline Inspection Office, and approved by the Company's person in charge of business management, they may be removed from the blacklist and key attention list.

11. Contact Information

Inquirer: CCCC-FHDI ENGINEERING CO.,LTD.

Address: CCCC Southern Design Building, No. 292 Lijiao Road, Haizhu District, Guangzhou, China

Postal Code: 510290

Contact Person: Engineer Li

Telephone: 138****3287

E-mail: ****@fhdigz.com

CCCC-FHDI ENGINEERING CO.,LTD.

[Date], 2026