What Chiwan Shengbaowang does

Shenzhen Chiwan Sembawang Engineering Co., Ltd. (Chiwan Shengbaowang / CSE) is a state-controlled joint venture founded in 1994 (predecessor entity from 1988) that specializes in the design, procurement, and land-based construction of large steel structures for offshore oil and gas and offshore wind energy projects. The company is owned by CNOOC Investment Holding (36%), Shenzhen Xinnanshan Holding Group (32%), and ChiXiao Enterprises (32%), operating under the China Nanshan Group umbrella. Its core products include jacket foundations (124+ units delivered, up to 21,000-ton single weight, 1,500m water depth), topside modules and mooring systems (17 projects), subsea facilities, offshore wind turbine jackets and substations, and onshore industrial structures. The company operates from a 185,000 sqm yard with a 406m quay line, 4 heavy-load slipways (up to 30,000 tons capacity), and annual production capacity of approximately 50,000 tons, translating to an annual output value of roughly RMB 1 billion.

The company's competitive positioning rests on three proprietary technology pillars: (1) self-developed processing design auxiliary software with industry-leading efficiency and proprietary IP at critical jacket construction links; (2) hydraulic steel strand pulling construction technique that overcame a long-standing offshore engineering challenge; and (3) the founder-created palletized management and integrated construction models, which together deliver 10%+ productivity improvement and reportedly drove project gross margins to 4.9x target. The company holds ISO 9001/14001/45001 certifications, a CNAS-accredited NDT laboratory, the National Specialized and Sophisticated "Little Giant" Enterprise designation (2023), and National High-Tech Enterprise status. It maintains its own welding school with a complete training pipeline, supported by 600+ internationalized management/technical/construction personnel, with many first-line workers holding 20+ years of experience.

The business model is project-based direct sales to international and Chinese oil and gas majors and EPC contractors, with customers including CNOOC, ENI, Saudi Aramco, Shell, BP, Chevron, Total, PTTEP, Woodside, ConocoPhillips, Apache, SBM Offshore, ADMA-OPCO, and Bluewater. Geographic reach spans Europe, the Americas, the Middle East, Australia, Thailand, Myanmar, and Southeast Asia. The company is executing a strategic transformation from pure construction subcontractor to full EPCC (Engineering, Procurement, Construction, Commissioning) prime contractor, evidenced by its 2023 ENI Congo LNG Phase I contract and 2024 ENI Congo LNG Phase II contract, with further expansion into offshore wind infrastructure through a 2025 strategic partnership with Dajin Heavy Industry and ongoing projects with China Energy Conservation, Yudean, CLP, and CFHI.

Name

Chiwan Shengbaowang

Legal name

深圳赤湾胜宝旺工程有限公司

Website

https://szcse.com

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Shenzhen Chiwan Sembawang Engineering is a state-controlled Chinese marine construction specialist that designs, fabricates, and delivers steel jacket foundations, topside modules, and subsea facilities for offshore oil and gas and offshore wind projects globally. The Shenzhen-based firm serves as both construction contractor and EPCC prime contractor to international energy majors and CNOOC.

Ownership category

akta.pro rank

Product category

Offshore Engineering & Marine Construction

NAICS

Plate Work Manufacturing (332313), Other Heavy and Civil Engineering Construction (237990)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600)

akta.pro primary industry

Steel Fabrication & Marine Engineering (Custom Fabrication, Modifications, Conversions) (TLAHAMAH)

akta.pro secondary industries

Offshore Wind Substructures & Marine Engineering (Monopiles, Jackets, Floating) (EUAMACAE), Project Management & Owner’s Engineering / Technical Consultancy (Spec Writing, Bid Support, Site Support) (IMAJAGAO), Wind Farm EPC & Balance of Plant Construction (Civil, Electrical, Substations) (EUAMACAF), Subsea & Nearshore Civil Works (Trenching, Rock Placement, Mattressing) (IMAFAJAI)

Keywords

• Offshore engineering construction
• Jacket foundation fabrication
• Offshore wind infrastructure
• Subsea facility construction
• Marine steel structure

Headquarters

HQ city

Shenzhen

HQ country

China

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. 海洋油气设施建造服务: 为客户提供导管架、上部组块、系泊系统、海底设施等海洋油气装备的设计、材料采购、陆地建造及装船等服务
2. 海上风电设施建造服务: 为海上风电项目提供专业的解决方案，包括风机导管架、海上升压站、海上测风塔等建造服务
3. EPCC总包项目: 以工程设计、采购、施工和调试(EPCC)总包模式承接项目，是公司业务转型方向

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Shenzhen Chiwan Sembawang Engineering is an offshore construction contractor that designs, procures materials, fabricates, and delivers large steel structures for marine oil and gas platforms and offshore wind farms. Its core deliverables include jacket foundations, topside modules, fixed and turret mooring systems, subsea facilities, offshore wind turbine foundations and substations, plus onshore industrial steel structures, with EPCC turnkey capability for global energy operators and EPCI contractors.

Product overview

Chiwan Shengbaowang operates as a marine energy infrastructure construction company offering a portfolio of steel structure products for offshore and onshore applications. The core product line includes: (1) Jacket Foundations — the flagship product with over 124 units delivered; (2) Topside Modules and Mooring Systems with 17 projects completed; (3) Subsea Facilities for deepwater development; (4) Offshore Wind Power infrastructure including turbine foundations and offshore substations; and (5) Onshore Facilities such as ship loaders and container cranes. The company is transitioning from pure construction services toward full EPCC (Engineering, Procurement, Construction, Commissioning)总包 capability, having secured its first EPCC contract in 2023 with ENI Congo.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• 逾30年已成功交付超过123座导管架，加工总重量超过88万吨
• +6 more outcomes

Named customers21 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• 大金重工coreStrategic or Co-development Partner · 9 July 20252025年7月9日，赤湾胜宝旺与大金重工在北京签署战略合作协议，旨在推动深远海大型风电基础装备国产化，重塑全球新能源海风电领域格局。双方将深化三大领域合作：产能提升、技术协同、市场拓展。胜宝旺具备设计-采购-建造全流程总包能力，大金重工为全球领先的海上风电基础制造商，构建高端装备制造-风电母港运营-远洋特种船队运输-目的地精准交付全流程闭环服务链。

Scale indicators20 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Bladt Industries: Danish manufacturer of large-scale offshore wind foundations (monopiles, jackets, substations) with similar fabrication-led business model. Bladt is a close comparable in offshore-wind substructure heavy steel work.
• Lamprell: UAE-headquartered offshore engineering and construction contractor serving Middle East and international O&G markets (jackets, topsides, modules). Similar size and onshore-yard-driven fabrication model to CSE.
• Dajin Heavy Industry: Listed Chinese offshore wind foundation and tower manufacturer, and CSE's July 2025 strategic partner. Dajin competes directly on offshore wind jacket foundations and is among the closest comparable fabricators in scale and product mix.
• Smulders: Belgian fabricator specializing in offshore wind substructures (jackets, monopiles, transition pieces) and offshore O&G modules. Direct comparable to CSE on jacket fabrication for wind and oil & gas with similar heavy steel fabrication capabilities.

Broad incumbents

• Subsea 7: Global subsea engineering, construction, and services contractor with offshore wind installation capabilities. Larger offshore incumbent with overlapping customer base in international O&G and offshore wind developers.
• McDermott International: Global offshore EPC contractor with broad capabilities in offshore oil & gas and offshore wind substructures. Much larger than CSE but overlapping on integrated EPCC scope for jackets and large offshore modules.
• TechnipFMC: Integrated offshore/subsea engineering and equipment provider covering subsea trees, umbilicals, risers, and offshore EPCI. Overlapping customer footprint and capable of taking integrated scopes that include jacket foundations.
• Saipem: Italian offshore and onshore EPC with offshore fabrication yard infrastructure (e.g., Karimun) and integrated engineering capabilities. Competes with CSE on offshore jackets, fixed platforms, and increasingly on offshore wind.
• COSCO Shipping Heavy Industry: Chinese state-owned offshore construction group with extensive yards producing vessels and offshore structures including jackets. Adjacent product scope but at materially larger scale and broader (shipbuilding-tilted) operations.

Others

• SBM Offshore: Dutch FPSO turnkey specialist that procures topside modules and mooring systems from suppliers like CSE (an existing SBM customer). Related marine infrastructure customer/competitor boundary — comparable on offshore project execution but different end-product focus.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/shenzhen-chiwan-sembawang-engineering-co.-ltd.

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Chiwan Shengbaowang