Nantong Sanjian Decoration Group Co., Ltd.

What Nantong Sanjian Decoration Group Co., Ltd. does

Nantong Sanjian Decoration Group Co., Ltd. (Jiangsu Nantong Sanjian Building Decoration Group Co., Ltd.) is a privately held Chinese construction contractor founded in 2009 by Chairman Hua Zhihua and headquartered in Haimen District, Nantong, Jiangsu Province. The company specializes in building decoration and interior finishing for high-end hotels, commercial complexes, public buildings, and office spaces, with a flagship project portfolio that includes the Tianjin Four Seasons Hotel, Shanghai Centre Tower, Shanghai Nuclear Power Institute, and the Algeria Grand Mosque. Its technical scope spans building decoration, public buildings, residential construction, prefabricated/modular construction, EPC project delivery, steel structure engineering, garden and heritage architecture restoration, installation engineering, and exhibition display design.

The firm has expanded from pure decoration into adjacent civil engineering general contracting and water conservancy/municipal engineering to capture larger infrastructure spending, while also pursuing international projects along the Belt and Road in markets such as Algeria and Angola. Its go-to-market relies on project-based tendering, direct enterprise/government commissioning, and strategic partnerships with central state-owned enterprises including China Railway, China Resources, and China Nuclear. Revenue is earned through one-time construction contracts awarded via competitive bidding, with pricing varying by project scale, complexity, material specifications, and timeline rather than any standardized rate.

The company has built institutional credibility through over 100 provincial-level or higher quality engineering awards (including 12 Luban Prizes and 16 National Quality Engineering Awards), 10+ years of consecutive ranking among China's Top 100 Decoration Enterprises, participation in drafting 10 industry standards, and a Vice President seat at the China Building Decoration Association. Its stated strategic ambition is to break into the national Top 20 and reach "100-billion-yuan enterprise" scale, supported by continuous multi-segment and geographic expansion since founding.

Name

Nantong Sanjian Decoration Group Co., Ltd.

Legal name

江苏南通三建建筑装饰集团有限公司

Website

https://jsntsj.com

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

1–10 employees

Short description

Nantong Sanjian Decoration Group is a privately held Chinese full-chain construction contractor founded in 2009, specializing in building decoration, civil engineering, and water conservancy projects for hotels, commercial complexes, government facilities, and overseas clients across China, Algeria, and Angola.

Ownership category

akta.pro rank

Product category

Building Decoration Services

NAICS

Painting and Wall Covering Contractors (23832), Painting and Wall Covering Contractors (238320), Foundation, Structure, and Building Exterior Contractors (2381)

SIC

Coating, Engraving & Allied Services (3470)

akta.pro primary industry

Painting, Decorating & Wallcoverings (IMAFANAI)

akta.pro secondary industries

Specialty Finishes & Decorative Installations (Plaster, Stone Veneer, Feature Walls) (IMAFANAM), Architectural & Decorative Painting (Interior/Exterior) (IMAIAKAA), Office & Corporate Building Construction (IMAFACAA)

Keywords

• Architectural decoration services
• Building renovation contracting
• EPC construction projects
• Interior finishing services
• Commercial construction services

Headquarters

HQ city

Haimen

HQ country

China

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. 建筑装饰工程承包: 作为主业，提供建筑装饰设计、施工、安装等全流程服务，通过项目制合同获取收入。项目涵盖高端酒店（五季酒店天津）、商业综合体（商丘万达广场6万平方米精装修）、公共建筑（市政规划馆、医院、银行）等。
2. 土建总承包: 集团新拓展板块，从单纯的装饰业务向建筑总承包领域延伸，扩大业务版图。
3. 水利市政工程: 作为集团两翼业务之一，水利市政工程板块快速增长，丰富收入来源结构。
4. 海外工程: 积极开拓国际市场，项目覆盖阿尔及利亚大清真寺、安哥拉KK新城等海外重点工程，实现国内国际双轮驱动。

Distribution channels4 records

Marketing channels5 records

Core offering

Nantong Sanjian Decoration Group Co., Ltd. is a privately held construction company headquartered in Haimen, Jiangsu, China, that provides integrated building decoration and full-industry-chain construction services. Its core offerings include building decoration (high-end hotels, commercial complexes, office buildings), public building decoration, residential decoration, prefabricated construction, EPC engineering, steel structure engineering, garden and ancient building/heritage construction, installation engineering, exhibition display, and overseas engineering projects across more than 10 business types. The company has cumulative over 100 provincial-level awards including Luban Award, National Quality Engineering Award, and China Construction Engineering Decoration Award.

Product overview

Nantong Sanjian Decoration Group is a comprehensive construction decoration group offering integrated building services. The company operates as a full-chain service provider covering building decoration, civil engineering contracting, and water conservancy/municipal engineering. Their core offerings include building decoration (hotels, commercial complexes), prefabricated buildings, steel structure engineering, garden and heritage architecture, installation engineering, and exhibition display services. The company also maintains overseas operations in markets including Africa (Algeria Grand Mosque, Angola KK New City) and has completed notable projects such as Tianjin Four Seasons Hotel, Shijiazhuang Rongsheng Smart Plaza, Shanghai Nuclear Power Institute, and Shanghai Centre Tower. The company has been recognized among China's Top 25 Decoration Enterprises and holds extensive industry certifications and awards.

Differentiator

Problem solved

Functional benefit

Products and services

• Building Decoration Services (建筑装饰) Core building decoration and interior finishing services for commercial and residential projects, including high-end hotels, office buildings, and commercial complexes. Provides integrated design-to-construction decoration services for enterprises, government, and real estate developer clients.
• Public Building Decoration (公共建筑) Decoration services for public buildings including hotels, office complexes, and government facilities, serving government agencies and public institutions.
• Residential Building Decoration (住宅建筑) Interior decoration and finishing services for residential housing projects, targeting real estate developers and residential project owners.
• Prefabricated Building Construction (装配式建筑) Prefabricated construction services integrating modular building components for efficient project delivery, serving developers and government clients seeking modern construction methods.
• EPC Engineering (EPC工程) Engineering, Procurement, and Construction project services providing integrated project delivery for large-scale construction and decoration projects.
• Steel Structure Engineering (钢结构工程) Steel structure engineering services for commercial and industrial buildings, serving developers, industrial clients, and construction projects requiring structural steelwork.
• Garden and Ancient Architecture Construction (园林古建) Traditional garden construction and heritage building restoration services, serving cultural heritage projects, scenic area developers, and government cultural preservation initiatives.
• Installation Engineering (安装工程) Mechanical and electrical installation engineering services for buildings, providing MEP installations integrated with building decoration projects.
• Exhibition Display Services (展览陈列) Exhibition space design and installation services including museum and gallery installations, serving museums, planning halls, and cultural exhibition venues.
• Overseas Engineering Projects (海外工程) International construction and decoration projects across global markets including Africa (Algeria, Angola) and Southeast Asia, serving overseas governments and international developers.
• Civil Engineering General Contracting (土建总承包) Civil engineering general contracting services spanning overall construction contracting for real estate developments and infrastructure projects, expanding the business footprint beyond decoration.
• Water Conservancy Municipal Engineering (水利市政工程) Water conservancy and municipal infrastructure engineering services, serving government agencies and infrastructure developers to support the company's full industry chain strategy.

Quantifiable outcome

• 2021年10个项目获得中国建筑工程装饰奖，创历史新高
• +3 more outcomes

Named customers14 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered minor and core.

• 安徽华冶置业有限责任公司minorStrategic or Co-development Partner · 10 May 2023安徽华冶置业有限责任公司来南通三建建装集团考察交流，双方就建筑装饰领域的合作进行了探讨。
• 颍上县住房和城乡建设局/颍上县建筑业商会minorStrategic or Co-development Partner · 22 February 2023颍上县住建局及建筑业商会来海门学习考察，与南通三建建装集团就劳务合作、装修等领域探讨合作机会。
• 中国中铁coreStrategic or Co-development Partner与中铁建立长期战略合作关系，在大型基础设施建设和建筑装饰项目中开展合作，共同承接国内外大型工程项目。
• 华润集团coreStrategic or Co-development Partner与华润集团建立长期战略合作关系，共同开展建筑装饰及相关工程业务，实现优势互补。
• 中核集团coreStrategic or Co-development Partner与中核集团建立长期战略合作关系，在核电相关建筑装饰工程及其他业务领域开展合作。

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• China Construction Decoration Engineering: Subsidiary of CSCEC, China's largest state-owned construction company. A broad incumbent in building decoration with significantly larger scale, providing a SOE-backed comparison to Nantong Sanjian's private competitive positioning.
• Shenzhen Yasha Decoration Engineering: One of China's top-tier decoration contractors, focused on high-end commercial interiors, hotels, and office buildings. Directly comparable in customer mix (premium hotels, commercial complexes) and project types to Nantong Sanjian.
• Suzhou Gold Mantis Construction Decoration: Gold Mantis is China's largest building decoration contractor by revenue, offering interior fit-out, curtain wall, and design services. It is a publicly listed peer and the most relevant large-cap comparison for Nantong Sanjian's core decoration business.
• China State Construction Engineering Corporation (CSCEC): China's largest construction conglomerate and a major counterparty for Nantong Sanjian's strategic partnerships. Provides competitive context as the dominant national incumbent across building, infrastructure, and decoration.

Direct peers

• Shenzhen Guanhua Decoration Group: A top-10 Chinese decoration contractor serving residential, commercial, and public buildings. Headquartered in Shenzhen with similar full-chain decoration capabilities and comparable awards track record (Luban Prize).
• Hongtao Group (Shenzhen Hongtao Decoration): Listed Shenzhen-based decoration contractor specializing in high-end hotels, public buildings, and education sector projects. Comparable in customer quality and decorative finishing scope.
• Beijing Jiangong Decoration Engineering: Beijing-based decoration contractor in the top 30 nationally, offering similar public building, hotel, and commercial complex decoration services. Comparable in scale, project mix, and customer profile to Nantong Sanjian.
• Huahe Construction Group: Jiangsu-based private construction and decoration group with Tier-1 qualification, operating in building decoration and general contracting. Geographic and competitive overlaps with Nantong Sanjian's home market.

Others

• Jiangsu Nantong No.3 Construction Group: Parent group entity sharing the Nantong name and regional base. While a general construction conglomerate rather than decoration specialist, it provides structural context and ecosystem relationship for Nantong Sanjian Decoration Group.

Regional players

• Oriental Yuhong Waterproof Technology: Leading Chinese building materials and waterproofing solutions provider serving construction and decoration value chains. Though primarily a materials supplier rather than contractor, it serves overlapping end customers (developers, general contractors) in the same Chinese market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries2 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 Nantong Sanjian Decoration Group Co., Ltd.