CNOOC Development Bidding: Multiple Material and Service Procurement Projects Optimize Resource Allocation to Highlight Core Value

March 24, 2026. According to Tianyancha data, CNOOC Energy Development Co., Ltd. has issued a proprietary agreement for the procurement of frequency inverter production auxiliary materials for the Tianjin area by the CNOOC Development—Engineering Technology Company, with the release date being March 24, 2026.

Summary of Core Bidding Information at a Glance

Field Details
Contract / Package No. 26 - CNCCC - HW - GK - 0185/01
Contract / Package Name CNOOC Development - Engineering Technology Company proprietary agreement for procurement of auxiliary materials for the production of frequency inverters in the Tianjin area
Procurement Method Open bidding
Bid Inviter CNOOC Energy Development Co., Ltd.
Project Category Goods
Bidding Method Open bidding
Announcement Date March 24, 2026

Winning Bidder and Amount

Jilin Langmeng Petroleum Machinery Manufacturing Co., Ltd. became the winning bidder for this bidding, with the winning amount (including VAT) totaling RMB 15,447,790.23.

Details on the Award Reason

This project adopts the lowest bid price method evaluated on review. Jilin Langmeng Petroleum Machinery Manufacturing Co., Ltd. was identified as the first recommended winning bidder and ultimately determined as the winning bidder. This type of evaluation method typically places greater emphasis on price factors; given that the bidders meet the requirements of the bidding documents, the bidding winner is selected among the bidders with the lowest bid price, which helps the bid inviter reduce procurement costs.

According to Tianyancha data, recent information about CNOOC Development as the procurement and tendering party is as follows:

No. Project Name Release Date Procurement & Tendering Unit Winning Bidder Winning Amount (RMB)
1 CNOOC Development—Equipment Technology Company purchase of pressure vessel 2026-03-24 CNOOC Energy Development Co., Ltd. - -
2 CNOOC Development—Catering Company supply chain service center Tanggu base plant and repair services for CNOOC Development Catering Company AB apartments bid winner candidate publicity 2026-03-24 CNOOC Energy Development Co., Ltd. Jiangsu Jintu Civil Construction Group Co., Ltd. 4694513
3 CNOOC Development—Equipment Technology Company Shanghai Branch Donghai regional upstream maintenance support for electromechanical and instrumentation work proprietary agreement 2026-03-24 CNOOC Energy Development Co., Ltd. Tianjin Jieweida Construction Engineering Co., Ltd. 44822100
4 PE pipe and others (109 items) 2026-03-24 CNOOC Energy Development Co., Ltd. Tianjin Haixinrui Engineering Technology Service Co., Ltd. 87575
5 CNOOC Development_ Engineering Technology Company 2025 purchase project of chemical composite high-efficiency deaggregant (Second Tender) 2026-03-24 CNOOC Energy Development Co., Ltd. Shandong Binzhou Yucheng Chemical Technology Co., Ltd. 988524
6 CNOOC Development—General materials category department—procurement of three items of Anqi Service electromagnetic radiation instruments and others—20260310 2026-03-24 CNOOC Energy Development Co., Ltd. Tianjin Hongfeng Management Consulting Co., Ltd. 211289
7 Equipment Technology Company purchase of 6 steel plates 2026-03-24 CNOOC Energy Development Co., Ltd. - -
8 Equipment Technology Company purchase of derrick moving equipment 2026-03-24 CNOOC Energy Development Co., Ltd. Liaoning Heyu Industrial Co., Ltd. 683999
9 Tianjin Yuanzhengda production security service proprietary agreement 2026-03-24 CNOOC Energy Development Co., Ltd. Tianjin Shenghuayu Security Service Co., Ltd. 653760
10 Engineering Technology Company under formation conditions acoustic waveform time difference—Yan Dian—relative permeability cross-measurement system prototype 2026-03-24 CNOOC Energy Development Co., Ltd. Chengdu Haohan Completion Rock Electric Technology Co., Ltd. 205117
11 CNOOC Development—Zhanjiang regional center—prototype procurement of coal-rock high-frequency and low-temperature ash-forming equipment—20260305 2026-03-24 CNOOC Energy Development Co., Ltd. Saifu Instruments Chengde Co., Ltd. 297500
12 CNOOC Development—Engineering Technology Company proprietary agreement for procurement of multi-level medium-pressure series frequency converter control system components and others 2026-03-24 CNOOC Energy Development Co., Ltd. Hangjia Kang (Tianjin) Electronic Equipment Co., Ltd. 79499466
13 CNOOC Development—Drilling and Production Items Category Department—key parameter testing services for surface hardening layer and brazing of high-performance PDC drill bits—Engineering Technology Company—20260305 2026-03-24 CNOOC Energy Development Co., Ltd. Dalian Dazhong Testing Technology Service Co., Ltd. 127999
14 CNOOC Development—Ships and Environmental Protection Category Department—sales company proprietary agreement for sales company building fire-fighting facilities and electrical fire safety monitoring services—20260319 2026-03-24 CNOOC Energy Development Co., Ltd. Hebei Tuoning Fire Protection Technology Service Co., Ltd. 5454
15 CNOOC Development—Shanghai regional center—Changzhou Institute N-methyl diethanolamine (out-of-plan) procurement—20260312 2026-03-24 CNOOC Energy Development Co., Ltd. - -
16 CNOOC Development—Chemical Products Category Department—Engineering Technology Company 2026–2027 purchase of aminodoublet quarternary ammonium salts proprietary agreement 2026-03-24 CNOOC Energy Development Co., Ltd. - -
17 CNOOC Development—Engineering Technology Company window-opening side drilling milling-cone design method and model research service—publicity for bid winner candidates 2026-03-24 CNOOC Energy Development Co., Ltd. - -
18 CNOOC Development—Shanghai regional center—safety and environmental protection company goods procurement agreement for gas filter filter elements, filter element center screw rods, filter element end covers, filter frames and others—20260305 2026-03-24 CNOOC Energy Development Co., Ltd. Tianjin Shengbeihai Ocean Engineering Co., Ltd. 347497
19 CNOOC Development—Operations & Maintenance category department—procurement of handheld electric marking machines—20260312 2026-03-24 CNOOC Energy Development Co., Ltd. Zhanjiang Xinzhi Technology Co., Ltd. 26374
20 CNOOC Development—Operations & Maintenance category department—8 safety valves—20260302 2026-03-24 CNOOC Energy Development Co., Ltd. Tianjin Guanghua Rongji Technology Development Co., Ltd. 782089
21 Engineering Technology Company HPU & TUTA third-party certification services 2026-03-24 CNOOC Energy Development Co., Ltd. Bureau Veritas Classification Society (China) Co., Ltd. 195000
22 Engineering Technology Company research on adaptability of downhole electric pumps to sand producing and scaling complex fluids and product development project—procurement of pump and separator accessories 2026-03-24 CNOOC Energy Development Co., Ltd. Zhejiang Zhenxing Petrochemical Machinery Co., Ltd. 397011
23 CNOOC Development—Zhanjiang regional center—equipment technology company purchase of welding consumables 2026-03-24 CNOOC Energy Development Co., Ltd. - -
24 CNOOC Development—Engineering Technology Company proprietary agreement for procurement of emulsion-type salt-resistant polyacrylamide in Shanxi and Shaanxi regions for 2026–2027 2026-03-24 CNOOC Energy Development Co., Ltd. Xi’an Hetaizhi Chemical Co., Ltd. 6800003
25 CNOOC Development—Chemical Products Category Department—Changzhou Institute proprietary agreement for procurement of neopentyl glycol for 2026–2029—20260309 2026-03-24 CNOOC Energy Development Co., Ltd. - -
26 CNOOC Development—Logistics Company proprietary agreement for Zhou Shan logistics oil product transportation, storage, and transshipment services 2026-03-24 CNOOC Energy Development Co., Ltd. - -
27 CNOOC Development—Engineering Technology Company proprietary agreement for procurement of auxiliary materials for the production of frequency inverters in the Tianjin area 2026-03-24 CNOOC Energy Development Co., Ltd. - -
28 CNOOC Development—Operations & Maintenance category department—procurement of 1 switchgear unit—20260313 2026-03-24 CNOOC Energy Development Co., Ltd. Tianjin Jinsun Technology Co., Ltd. 181765
29 CNOOC Development—Engineering Technology Company—publicity for bid winner candidates for proprietary agreement on pressure pipeline safety inspection and evidence collection services 2026-03-24 CNOOC Energy Development Co., Ltd. - -
30 CNOOC Development—Engineering Technology Company proprietary agreement for procurement of resorcinol for 2026–2027 2026-03-24 CNOOC Energy Development Co., Ltd. - -
31 CNOOC Development—Zhanjiang regional center—procurement of flame spraying equipment—20260317 2026-03-24 CNOOC Energy Development Co., Ltd. Zhongtian Intelligent Equipment (Tianjin) Co., Ltd. 684000
32 CNOOC Development—General services category department—Qingji Energy Company pipeline technology sub-company transmission line water cooling regional renovation and high-temperature-resistant steel wire winding device, sand blasting machine steel sand shot supply and mixing device maintenance service—20260309 2026-03-24 CNOOC Energy Development Co., Ltd. Tianjin Huihai Oilfield Engineering Technology Service Co., Ltd. 117294
33 CNOOC Development—Engineering Technology Company 2025 ultra-micro membrane bundle sand fixation phase seepage improvement material procurement project (Second Tender) 2026-03-24 CNOOC Energy Development Co., Ltd. Beijing Jibei Energy Technology Co., Ltd. 6581120
34 CNOOC Development—Engineering Technology Company proprietary agreement for purchase of downhole electric motor electromagnetic wire trough insulation 2026-03-24 CNOOC Energy Development Co., Ltd. Tianjin Aoruisen Cable Manufacturing Co., Ltd. 21212303
35 CNOOC Development—Chemical Products Category Department—Changzhou Institute proprietary agreement for procurement of functional additives and resins (hazardous chemicals) for 2026—20260304 2026-03-24 CNOOC Energy Development Co., Ltd. Changzhou Tunan Trading Co., Ltd. 579226
36 Logistics Company proprietary agreement for international engineering, Yinkou land terminal crane and forklift services 2026-03-23 CNOOC Energy Development Co., Ltd. - -
37 CNOOC Development—Engineering Technology Company proprietary agreement for procurement of wellbore protective fluids for workover wells in 2026–2029—publicity for bid winner candidates 2026-03-23 CNOOC Energy Development Co., Ltd. - -
38 Safety status evaluation technical service for the oil production company 2026-03-23 CNOOC Energy Development Co., Ltd. - -
39 CNOOC Development—Catering Company—proprietary agreement for flowers and greenery services in the Qingdao area 2026-03-23 CNOOC Energy Development Co., Ltd. Qingdao Meitian Gardening & Landscaping Co., Ltd. 779323
40 CNOOC Development—Zhanjiang regional center—underwater sweep-measurement service for the Nanshan terminal deepwater support wharf construction project—20260317 2026-03-23 CNOOC Energy Development Co., Ltd. Ministry of Transport Tianjin Water Transportation Engineering Research Institute 289800
41 CNOOC Development—General services category department—proprietary agreement for perimeter wall investigation service for the new materials base project (Phase I) of Sinopec Tianhua High-tech Chemical Co., Ltd.—20260323 2026-03-23 CNOOC Energy Development Co., Ltd. - -
42 CNOOC Development—Operations & Maintenance category department—procurement of photovoltaic and wind power training equipment—20260302 2026-03-23 CNOOC Energy Development Co., Ltd. Shenzhen Atcopp Automation Equipment Co., Ltd. 149725
43 CNOOC Development—Clean Energy Company—green and low-carbon O&M technology services for basic infrastructure—proprietary agreement for port infrastructure operations (Shanghai, Jiangsu, Zhejiang, Fujian regions)—publicity for bid winner candidates 2026-03-23 CNOOC Energy Development Co., Ltd. Hubei Zhenxing Port & Navigation Engineering Co., Ltd. 34839037
44 CNOOC Development—Zhanjiang regional center—purchase of liquid-cooled energy storage battery equipment; and energy storage construction service project of the Bozhou operations company for the Bozhou oil and gas processing plant—procurement of other cables—20260302 2026-03-23 CNOOC Energy Development Co., Ltd. Tianjin Huankehui Xin Environmental Technology Co., Ltd. 14803
45 CNOOC Development—General materials category department—procurement of an air handling unit skid for the equipment technology company—20260323 2026-03-23 CNOOC Energy Development Co., Ltd. - -
46 CNOOC Development Production Company hot-fluid-solid multi-field coupling study on the impact of FLNG export operations for the project 2026-03-23 CNOOC Energy Development Co., Ltd. Shanghai Jiao Tong University 896100
47 CNOOC Development—Zhanjiang regional center—Zhanjiang Logistics Company proprietary agreement for purchase—procurement for maintenance and upkeep services of weighing modules for 2026–2029 and replacement of accessories 2026-03-23 CNOOC Energy Development Co., Ltd. - -
48 Bocheag 19-6 condensate gas field Phase II development project facilities renovation engineering project flange procurement 2026-03-23 CNOOC Energy Development Co., Ltd. - -
49 CNOOC Development—Xinke Company proprietary agreement for O&M services of self-owned spatial grid early-warning equipment—publicity for bid winner candidates 2026-03-23 CNOOC Energy Development Co., Ltd. Lijian (Qingdao) Equipment Technology Co., Ltd. 9794400
50 CNOOC Development—General materials category department—equipment technology company Zhanjiang branch purchase of duplex stainless steel pipe—20260323 2026-03-23 CNOOC Energy Development Co., Ltd. - -

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