CNOOC Development Bidding: Multiple material and service projects, with winning bidders and amounts specified

As of March 31, according to data from Tianyancha, China National Offshore Oil (CNOOC) Energy Development Co., Ltd. issued a proprietary agreement for customized viscosity-sensitive water-control valves metal components of the Haiyou Development—Engineering Technology Company, with the release date being March 31, 2026.

Overview of Core Tender Information

Field Details
Bid Section/Package No. 26 - CNCCC - HW - YQ - 0791/01
Bid Section/Package Name Haiyou Development - Engineering Technology Company customized viscosity-sensitive water-control valve metal components proprietary agreement
Procurement Method Invitation to bid
Bidder China National Offshore Oil (CNOOC) Energy Development Co., Ltd.
Project Category Goods
Bidding Method Invitation to bid
Announcement Date March 31, 2026

Winning Bidder and Amount Revealed

The winning bidder of this tender is Sichuan Guanghan Huachen Oil & Gas Machinery Co., Ltd., and the winning bid amount (including VAT) is RMB 18,387,360.

Winning Rationale Clarified

This project uses an evaluated lowest bid price method to determine the winning bidder. Sichuan Guanghan Huachen Oil & Gas Machinery Co., Ltd. was the first-ranked candidate for the winning bid and ultimately succeeded in winning. This evaluation method typically places greater emphasis on price; under the premise of meeting the requirements of the tender documents, the party with the lowest bid price often has an advantage. The determination of this tender result reflects the application of this method in real projects.

According to Tianyancha, the information about Haiyou Development as the purchaser in recent period is as follows:

No. Project Name Release Date Purchaser Winning Bidder Winning Bid Amount (yuan)
1 Haiyou Development—Catering Company Bohai Region Industrial Property Logistics Support Service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Tianjin Yangqin Xuan Property Management Co., Ltd. 56785780
2 Haiyou Development—General Services Category Department—Catering Service Branch Company Haiyou Property Cangzhou Central Kitchen Project legacy equipment disposal budget preparation service—20260323 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Zhuo Yi Tonghui Construction Consulting Co., Ltd. 4800
3 Haiyou Development—Engineering Technology Company cluster isotopes, uranium-lead carbonate annual service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Shandong University of Science and Technology 7559788
4 Haiyou Development—Changzhou Institute Shanghai Hailai—Explosion-proof electric drive high-pressure sandblasting machine, 1 unit procurement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
5 Haiyou Development—Changzhou Institute Shanghai Hailai—Mobile electric drive ultra-high-pressure micro-water rust removal equipment, 1 unit procurement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
6 Haiyou Development—Shanghai Regional Center—Changzhou Institute—Copper(I) oxide purchase—20260327 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Changzhou Tunan Trading Co., Ltd. 994400
7 Haiyou Development—Equipment Technology Company mud mixer dedicated equipment rough casting parts procurement proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
8 Haiyou Development—Engineering Technology Company power cable retrieving and isolation coupling devices and related machining materials procurement proprietary agreement—announcement of the shortlisted candidates 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
9 Haiyou Development—General Services Category Department—Equipment Technology Company unmanned aerial vehicle modification technical research and testing service—20260312 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Chengdu Qiantuo Information Technology Co., Ltd. 598900
10 Haiyou Development—Safety & Environmental Protection Company—Shanghai Branch—Announcement of shortlisted candidates for indoor air quality governance enhancement services 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Anhui Shengcheng Environmental Engineering Co., Ltd. 260800
11 Haiyou Development—Engineering Technology Company Shenzhen Experimental Center platform on-site NMR testing and analysis (second round) 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. CNPC Logging Company Tianjin Branch 1412918
12 Haiyou Development—Engineering Technology Company winch and supporting equipment procurement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Tianjin Chunxing Machinery Co., Ltd. 1467870
13 Haiyou Development—Operations & Maintenance Category Department—Procurement of 35 items of materials including seamless steel pipes—20260330 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
14 Haiyou Development—Engineering Technology Company Bohai Region electric-controlled intelligent completion tools procurement proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Tianjin Qibailu Intelligent Technology Co., Ltd. 3339355
15 Haiyou Development—General Services Category Department—Tianjin Institute—Water treatment equipment export certification and audit service—20260313 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Lifeng Engineering & Technology (Tianjin) Co., Ltd. 535300
16 Haiyou Development—Safety & Environmental Protection Company—Shanghai Branch—Laboratory facility maintenance and upkeep service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Shanghai Yongdao Environmental Technology Co., Ltd. 2066046
17 Haiyou Development—Catering Company Shanghai Catering Chunxiao terminal operations point vehicle service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Ningbo Zhejiang Anke Tourism & Passenger Transport Co., Ltd. 1251756
18 Haiyou Development—Engineering Technology Company Bohai Region pump duty condition reactors procurement proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Tangshan Shangxin Rongda Electronic Products Co., Ltd. 2897190
19 Haiyou Development—Engineering Technology Company coiled tubing tool procurement proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Sichuan Kangkex Petroleum Technology Co., Ltd. 4699168
20 Haiyou Development—Logistics Company—Tianjin region—vehicle crane service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
21 Haiyou Development—Engineering Technology Huizhou Branch—plant area standardization service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
22 Haiyou Development—Shenzhen Regional Center—Drilling & Production Institute—procurement of experimental consumables including high-pressure valves, pressure-resistant sand-clamping devices, etc.—20260313 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Chengdu Yanke Technology Co., Ltd. 312512
23 Haiyou Development—Engineering Technology Company—technology information research and operations support technical service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
24 Haiyou Development—Engineering Technology Company—production of manual lifting products and technical service; jig processing service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
25 Haiyou Development—General Services Category Department—Logistics Company—Tianjin Port facility security plan assessment service—20260309 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Ministry of Transport Waterway Research Institute 145000
26 Logistics Company international engineering—Yingkou land terminal crane and forklift service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Tianjin Yangqin Xuan Property Management Co., Ltd. 484844
27 Haiyou Development—Engineering Technology Company customized full-metal hydraulic oscillators vibration short-stroke joint parts processing proprietary agreement—announcement of shortlisted candidates 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
28 Haiyou Development—Engineering Technology Company 2026-2029 South China Sea East—sand-suppressant procurement proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Shandong Shida Oilfield Technology Service Co., Ltd. 1491600
29 Haiyou Development—Equipment Technology Company casing pressure suppression service proprietary agreement—announcement of shortlisted candidates 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Hebei Huayang Steel Pipe Co., Ltd. 42677388
30 Haiyou Development—Equipment Technology Company special equipment—land forklift specialized O&M service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Micos (Tianjin) Technical Service Co., Ltd. 5925216
31 Haiyou Development—General Materials Category Department—Safety & Environmental Protection Company—PLC training device procurement—20260324 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Zhejiang Yuheng Technology Co., Ltd. 277980
32 Haiyou Development—General Materials Category Department—Equipment Technology Company—procurement of three items including safety valves—20260316 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Tianjin Guosheng Technology Development Co., Ltd. 1986980
33 Haiyou Development—Engineering Technology Company Huizhou region—motor repair service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Dongguan Fuyuan Industrial Co., Ltd. 416488
34 Haiyou Development—Engineering Technology Company—Youzhi drilling and completion operations support and digital technology service agreement—announcement of shortlisted candidates 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
35 Haiyou Development—General Materials Category Department—Equipment Technology Company—instruments and pipes procurement of 3 items—20260320 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Yantai Bangshi Industry & Trade Co., Ltd. 1079941
36 Haiyou Development—Shanghai Regional Center—Changzhou Institute—analysis and testing services proprietary agreement for resin components, etc. in Changzhou region—20260318 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Shanghai Mierui Testing Technology Group Co., Ltd. 746700
37 Haiyou Development Clean Energy Company—Zhuhai region—VIV suppression system hydraulic dynamic testing service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
38 Haiyou Development—Logistics Company—Tianjin region—vehicle crane service proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
39 Haiyou Development—Shanghai Regional Center—ε-caprolactone purchase—20260323 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Changzhou Yiyou Trading Co., Ltd. 44974
40 Haiyou Development—Shanghai Regional Center—procurement of raw materials such as polycarbonate—20260330 2026-03-30 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
41 Haiyou Development—Engineering Technology Company completion well single-line liquid control sliding sleeve procurement proprietary agreement—announcement of shortlisted candidates 2026-03-30 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
42 Haiyou Development—Equipment Technology Company procurement of turnover facility steel plates proprietary agreement (material Q235B, below 6mm) 2026-03-30 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
43 Haiyou Development—Engineering Technology Company customized viscosity-sensitive water-control valve metal components proprietary agreement 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Sichuan Guanghan Huachen Oil & Gas Machinery Co., Ltd. 18387360
44 Haiyou Development—Zhanjiang Regional Center—procurement of 10 items of materials including plastic-shell circuit breakers—20260312 2026-03-30 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
45 Haiyou Development—Zhanjiang Regional Center—procurement of printing services for the Zhanjiang Branch of the oil production services—20260330 2026-03-30 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
46 Haiyou Development—Engineering Technology Company—window opening side drilling and milling cone design method and model research services 2026-03-30 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Southwest Petroleum University 1096950
47 Haiyou Development—Chemical Products Category Department—Tianjin Institute—customized sodium hypochlorite procurement for the 2026-2029 period in Tianjin region—20260320 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Hebei Sanfu Environmental Technology Co., Ltd. 1018695
48 Haiyou Development—Shenzhen Regional Center—shallow-water subsea wellhead ground control system HPU&TUTA key hydraulic components procurement—20260330 2026-03-30 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. - -
49 Haiyou Development—Catering Company—supply chain service center—Tanggu base factory premises and maintenance services for the Catering Company’s AB apartments 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Jiangsu Jintu Mu Construction Group Co., Ltd. 4694513
50 Haiyou Development—Drilling & Production Category Department—Engineering Technology Company—procurement proprietary agreement for closed electric pump system negative-pressure venting supporting equipment—20260324 2026-03-31 China National Offshore Oil (CNOOC) Energy Development Co., Ltd. Tianjin Jinshun Technology Development Co., Ltd. 423004

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