CNOOC Development Bidding: Multiple project procurements, self-funded focusing on core value

On March 31, Tianyancha data shows that China National Offshore Oil Corporation Energy Development Co., Ltd. (CNOOC Energy Development) has issued a tender for the procurement of 1 mobile electric-drive ultra-high-pressure micro-water rust removal equipment for the Haiyou Development - Changzhou Institute - Shanghai Haikai project. The publication date is March 31, 2026.

Tender Core Basic Information Overview

Field Details
Project name Haiyou Development - Changzhou Institute - Shanghai Haikai - Procurement of 1 mobile electric-drive ultra-high-pressure micro-water rust removal equipment
Engineering project name Haiyou Development - Changzhou Institute - Shanghai Haikai - Procurement of 1 mobile electric-drive ultra-high-pressure micro-water rust removal equipment
Project location Guangdong Province / Zhanjiang City
Funding source Self-raised by the enterprise
Funding implementation status Implemented
Whether joint venture bidding is allowed No
Publication medium China National Offshore Oil Corporation Group Co., Ltd. Procurement Business Management and Trading System, China National Offshore Oil Corporation Group Co., Ltd. Supply Chain Digitalization Platform
Bid section (package) number GKXJ - 2026 - CT - 0896/01
Tender announcement date 2026-03-31
Delivery period / service period / completion period Delivery within 60 days after the contract is signed
Time for obtaining tender documents From 2026-03-31 to 2026-04-06
How to obtain tender documents Log in to the tender announcement page on the China National Offshore Oil Corporation Group Co., Ltd. Supply Chain Digitalization Platform to purchase. If you log in for the first time, you must register first for free. The entire purchase process is conducted online; offline remittances are not accepted. After the tender document fee is successfully paid, you can download it yourself. No refunds after-sales. Companies that have not purchased/obtained the documents in advance in the system are not eligible to bid
Price of tender documents 0 yuan
Deadline for submission of bid documents 2026-04-07 15:00
Bid location All bid documents must be submitted online before the deadline for bid document submission
Method of submission of bid documents All bid documents must be submitted online before the deadline for bid document submission
Bid opening time 2026-04-07 15:00
Bid opening location China Offshore Oil Supply Chain Digitalization Platform
Tenderer China National Offshore Oil Corporation Energy Development Co., Ltd.
Address No. 6, Xiaojie, Dongzhimen Outer Street, Dongcheng District, Beijing
Contact person Huang Hong
E-mail huanghong2@cnooc.com.cn
Postal code 100027
Telephone 07593900958

Project Tender Information Summary

China National Offshore Oil Corporation Energy Development Co., Ltd. tenders for the procurement of 1 mobile electric-drive ultra-high-pressure micro-water rust removal equipment for Haiyou Development - Changzhou Institute - Shanghai Haikai. The project is located in Zhanjiang City, Guangdong Province. The funding is self-raised and has been implemented. Joint venture bidding is not allowed. The tender information is published through the China National Offshore Oil Corporation Group Co., Ltd. Procurement Business Management and Trading System and the Supply Chain Digitalization Platform.

Bid Section and Schedule

This project has only one bid section. The bid section number is GKXJ - 2026 - CT - 0896/01, and the tender is issued on March 31, 2026. Delivery must be completed within 60 days after the contract is signed. The time to obtain tender documents is from March 31, 2026 to April 6, 2026. Both the deadline for submission of bid documents and the bid opening time are April 7, 2026 at 15:00. The bid opening location is the China Offshore Oil Supply Chain Digitalization Platform.

Obtaining Tender Documents and Fees

Bidders must log in to the Supply Chain Digitalization Platform of China National Offshore Oil Corporation Group Co., Ltd. to purchase the tender documents. For first-time login, free registration is required in advance. The purchase is conducted entirely online. Offline remittances are not accepted. The tender document fee is 0 yuan. After payment is successful, bidders may download the documents themselves. No refunds are provided after-sale. Enterprises that have not purchased/obtained the tender documents in the system are not allowed to participate in the bidding.

Tenderer Information

The tenderer, China National Offshore Oil Corporation Energy Development Co., Ltd., is located at No. 6, Xiaojie, Dongzhimen Outer Street, Dongcheng District, Beijing. The contact person is Huang Hong. The phone number is 07593900958. The email address is huanghong2@cnooc.com.cn. The postal code is 100027. In addition, the announcement also provides download links for relevant attachments, including documents such as the procurement evaluation method and supplier handbook.

According to Tianyancha data, information about Haiyou Development as a procurement-and-tendering party in the recent period is as follows:

No. Project name Publication date Procurement/tendering entity Winning bidder Winning amount (yuan)
1 Haiyou Development - Batching and Meal Company - Exclusive agreement for industrial property logistics support services in the Bohai region 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Tianjin Yangqin Xuan Property Management Co., Ltd. 56785780
2 Haiyou Development - General Services Category Department - Subsidiary for Meal Services - Exclusive agreement for budget preparation service for handling legacy equipment in the CNOOC Property Cangzhou Central Kitchen project - 20260323 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Zhuo Yue Tonghui Construction Consulting Co., Ltd. 4800
3 Haiyou Development - Engineering and Technology Company - Exclusive agreement for cluster isotopes and uranium-lead carbonate uranium service 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Shandong University of Science and Technology 7559788
4 Haiyou Development - Changzhou Institute - Shanghai Haikai - Procurement of 1 explosion-proof electric-drive high-pressure spray coating machine 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
5 Haiyou Development - Changzhou Institute - Shanghai Haikai - Procurement of 1 mobile electric-drive ultra-high-pressure micro-water rust removal equipment 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
6 Haiyou Development - Shanghai Regional Center - Procurement of oxidation copper - 20260327 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Changzhou Tunan Trading Co., Ltd. 994400
7 Haiyou Development - Equipment Technology Company - Exclusive agreement for procurement of blank parts of mud agitators specifically for equipment 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
8 Haiyou Development - Engineering and Technology Company - Announcement of bid candidates for exclusive agreement: procurement of power cables, fishing packers, and their machined goods 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
9 Haiyou Development - General Services Category Department - Engineering and Technology Company - Exclusive agreement for technical research, development, and testing services for drone modification - 20260312 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Chengdu Qiantuo Information Technology Co., Ltd. 598900
10 Haiyou Development - International Engineering Logistics Company - Exclusive agreement for transportation services of steel structure components for restricted/excess-limit equipment in the Tianjin region 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Tianjin Dagang Oilfield Transportation Co., Ltd. 514196
11 Haiyou Development - Safety and Environmental Protection Company - Announcement of bid candidates for indoor air quality management improvement services 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Anhui Shengcheng Environmental Engineering Co., Ltd. 260800
12 Haiyou Development - Engineering and Technology Company - Shenzhen Experimental Center platform on-site NMR testing and analysis (second) 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. PetroChina Logging Co., Ltd. Tianjin Branch 1412918
13 Haiyou Development - Engineering and Technology Company - Purchase of winch and supporting equipment 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Tianjin Chunxing Machinery Co., Ltd. 1467870
14 Haiyou Development - Operation and Maintenance Category Department - Procurement of 35 items of materials including seamless steel pipes - 20260330 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
15 Haiyou Development - Engineering and Technology Company - Exclusive agreement for procurement of Bohai region electrical control intelligent completion tools 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Tianjin Qibailu Intelligent Technology Co., Ltd. 3339355
16 Haiyou Development - General Services Category Department - Exclusive agreement for export certification and audit services for water treatment equipment of the Tianjin Institute - 20260313 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Lifan Engineering Technology (Tianjin) Co., Ltd. 535300
17 Haiyou Development - Safety and Environmental Protection Company - Shanghai Branch - Exclusive agreement for facilities maintenance and preservation services for laboratory center 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Shanghai Yongdao Environmental Technology Co., Ltd. 2066046
18 Haiyou Development - Meal Company - Exclusive agreement for vehicle services at the Shanghai meal Springxiao terminal operation point 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Ningbo Zhe’an Ke Tourism and Passenger Transportation Co., Ltd. 1251756
19 Haiyou Development - Engineering and Technology Company - Exclusive agreement for procurement of pump operating condition reactors in the Bohai region 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Tangshan Shangxin Rongda Electronic Products Co., Ltd. 2897190
20 Haiyou Development - Engineering and Technology Company - Exclusive agreement for procurement of coiled tubing tools 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Sichuan Kangkong Petroleum Technology Co., Ltd. 4699168
21 Haiyou Development - Engineering and Technology Huizhou Branch - Exclusive agreement for plant standardization services 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
22 Haiyou Development - Shenzhen Regional Center - Procurement of experimental consumables such as high-pressure valves, pressure-bearing sand clamping devices, etc. for the Drilling and Production Institute - 20260313 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Chengdu Yanjing Technology Co., Ltd. 312512
23 Haiyou Development - Engineering and Technology Company - Exclusive agreement for technology services for research and operations support for science and technology information 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
24 Haiyou Development - Engineering and Technology Company - Exclusive agreement for tooling processing services for production of artificial lift products and technical services 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
25 Haiyou Development - Engineering and Technology Company - Exclusive agreement for customized metal parts of viscosity-sensitive water-control valves 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Sichuan Guanghan Huacheng Oil & Gas Machinery Co., Ltd. 18387360
26 Haiyou Development - General Services Category Department - Exclusive agreement for logistics company Tianjin port facility security plan assessment service - 20260309 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Ministry of Transport Waterway Research Institute 145000
27 International Engineering Logistics Company - Exclusive agreement for services for land terminal cranes and forklifts in the Yinkou region 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Tianjin Yangqin Xuan Property Management Co., Ltd. 484844
28 Haiyou Development - Engineering and Technology Company - Announcement of bid candidates for exclusive agreement: custom-made full-metal hydraulic oscillator vibration short-section accessories processing for vibration modules 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
29 Haiyou Development - Engineering and Technology Company - Exclusive agreement for procurement of sand-suppressing agent for the South China Sea east region from 2026 to 2029 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Shandong Shida Oilfield Technology Services Co., Ltd. 1491600
30 Haiyou Development - Equipment Technology Company - Announcement of bid candidates for exclusive agreement for casing pressing services 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Hebei Huayang Steel Pipe Co., Ltd. 42677388
31 Haiyou Development - Equipment Technology Company - Exclusive agreement for specialized maintenance services for special equipment land forklifts 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Mikos (Tianjin) Technical Service Co., Ltd. 5925216
32 Haiyou Development - International Engineering Logistics Company - Exclusive agreement for transportation services of steel structure components for restricted/excess-limit equipment in the Tianjin region 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Tianjin Dagang Oilfield Transportation Co., Ltd. 514196
33 Haiyou Development - General Materials Category Department - Exclusive agreement for procurement of PLC training devices for Safety and Environmental Protection Company - 20260324 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Zhejiang Yuheng Technology Co., Ltd. 277980
34 Haiyou Development - General Materials Category Department - Equipment Technology Company - Procurement of 3 items such as breathing valves - 20260316 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Tianjin Guosheng Technology Development Co., Ltd. 1986980
35 Haiyou Development - Engineering and Technology Company - Exclusive agreement for motor repair services in the Huizhou region 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Dongguan Fuyuan Industrial Co., Ltd. 416488
36 Haiyou Development - Engineering and Technology Company - Announcement of bid candidates for exclusive agreement: intelligent drilling/completion support and digital technology services 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
37 Haiyou Development - General Materials Category Department - Equipment Technology Company - Exclusive agreement for procurement of 3-meter instrument tubing - 20260320 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Yantai Bangshi Industry & Trade Co., Ltd. 1079941
38 Haiyou Development - Shanghai Regional Center — Exclusive agreement for analysis and testing services such as resin components from the Changzhou Institute in the Changzhou region — 20260318 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Shanghai Weipu Testing Technology Group Co., Ltd. 746700
39 Haiyou Development - Shanghai Regional Center - Procurement of ε-caprolactone (epsilon-caprolactone) - 20260323 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Changzhou Yiyou Materials Co., Ltd. 44974
40 Haiyou Development - Shanghai Regional Center - Procurement of raw materials such as polycarbonate - 20260330 2026-03-30 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
41 Haiyou Development - Engineering and Technology Company - Announcement of bid candidates for exclusive agreement: procurement of completion single-tubing line hydraulic-control sliding sleeves 2026-03-30 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
42 Haiyou Development - Equipment Technology Company - Exclusive agreement for procurement of steel plates for turnover facilities (material Q235B, below 6mm) 2026-03-30 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
43 Haiyou Development - Zhanjiang Regional Center - Procurement of 10 items of materials such as molded-case circuit breakers - 20260312 2026-03-30 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
44 Haiyou Development - Zhanjiang Regional Center - Exclusive agreement for printing services for the oil production services Zhanjiang Branch - 20260330 2026-03-30 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
45 Haiyou Development - Engineering and Technology Company - Window-side drilling and milling cone design method and model research service 2026-03-30 China National Offshore Oil Corporation Energy Development Co., Ltd. Southwest Petroleum University 1096950
46 Haiyou Development - Chemical Products Category Department - Tianjin Institute 2026-2029 exclusive agreement for procurement of sodium hypochlorite in the Tianjin region - 20260320 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Hebei Sanfu Environmental Technology Co., Ltd. 1018695
47 Haiyou Development - Shenzhen Regional Center - Procurement of key hydraulic components for the HPU&TUTA on-ground control system for shallow-water wellheads - 20260330 2026-03-30 China National Offshore Oil Corporation Energy Development Co., Ltd. - -
48 Haiyou Development - Meal Company - Exclusive agreement for maintenance services for the plant building at the Tanggu base and for the meal company’s AB apartments under the supply chain service center 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Jiangsu Jintu Construction Group Co., Ltd. 4694513
49 Haiyou Development - Drilling and Production Category Department - Exclusive agreement for procurement of a closed electric pump system matched with negative-pressure venting - 20260324 2026-03-31 China National Offshore Oil Corporation Energy Development Co., Ltd. Tianjin Jinshun Technology Development Co., Ltd. 423004
50 Haiyou Development - Engineering and Technology Company - Announcement of bid candidates for exclusive agreement: procurement of whole-spiral drill string centralizers 2026-03-30 China National Offshore Oil Corporation Energy Development Co., Ltd. Heilongjiang Beifang Shuangjia Drilling Tools Co., Ltd. 22722198

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