Specialist Strengthening & Building Renewal

Jiangsu Southeast Special Engineering & Technology Co., Ltd.

Tilt correction · Strengthening · Urban renewal · Conservation

01 / PROVEN EXPERTISE

Expertise grounded in research and practice.

49Patent grant records 18Invention patent records 31Utility-model records 3Software copyright registrations 9Standards contributions 4Chief-drafted standards

Our patent figures describe grant records in the company archive, rather than a count of patents currently in force. Standards include company and technical-team contributions.

Expert Team ↗Achievements & Awards ↗Standards & Research ↗Patents & Software ↗Qualifications ↗Academic Exchange ↗

02 / ENGINEERING SOLUTIONS

Eight fields. Individual engineering needs.

Foundation Strengthening & Tilt Correction

Study settlement stabilization, tilt correction and monitoring in the context of foundations and the existing structure.

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Structural Strengthening & Concrete Replacement

Coordinate member strengthening, concrete replacement and force transfer as use and loads change.

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Building Relocation & Lifting

Plan support, relocation routes, synchronized lifting and construction-stage monitoring together.

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Heritage Conservation & Repair

Develop emergency stabilization, repair and strengthening around historic significance and original materials.

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Industrial & Commercial Retrofit During Operations

Assess zoning, temporary support and process controls to coordinate retrofit with continued operation.

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Basement Anti-Flotation Strengthening

Develop anti-flotation strengthening around groundwater, structural and operating conditions.

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Steel Structure Strengthening

Review forces and connections to strengthen roof trusses, members and joints for changing loads.

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Bridge Strengthening & Rehabilitation

Coordinate bearing replacement, strengthening and monitoring with inspection findings and operational constraints.

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Continued operation during construction requires a specific safety assessment and agreed work arrangements.

03 / ACADEMIC EXCHANGE & INDUSTRY PRACTICE

Sharing ideas. Connecting research with the site.

Academic Exchange

Fifth Academic Conference on Quality Control in Building Strengthening

Technical reports and peer discussions shared experience from strengthening projects.

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Standards & Research2026-10-15

Jointly Led CECS Specification Passes Expert Draft Review

On 15 October 2026, the draft Technical Specification for Lifting, Controlled-Settlement Tilt Correction and Strengthening of Existing High-Rise Buildings, jointly led by Dongnan and Southeast University, passed expert review in Nanjing.

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Academic Exchange

China–Pakistan Joint Laboratory Bilateral Strategic Exchange

Research discussions connect laboratory collaboration with engineering practice.

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All academic activities ↗

04 / SELECTED PROJECTS

Engineering in the real world.

Industrial & Commercial Retrofit During Operations

EPC Retrofit of Yancheng Commercial Building

Structural retrofit and foundation strengthening supported the renewal of an existing commercial building under an EPC arrangement.

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Heritage Conservation & Repair2022-12-08

Emergency Strengthening and Repair of Wuding Bridge, Nanjing

Cracked arch stones, leakage and changing load requirements required coordinated heritage repair and bridge strengthening.

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RESEARCH COLLABORATION

China–Pakistan technical exchange.

China–Pakistan Technical Cooperation and Promotion Exchange Conference, Nanjing, 30 October 2023

Through research collaboration with Southeast University, we participate in technical exchange on structural engineering and smart disaster prevention.

Research cooperation ↗

05 / EXPERTS & UNIVERSITY COLLABORATION

Academic knowledge. Engineering judgement.

Drawing on Southeast University's expertise, we connect structural, geotechnical, steel and heritage research with design and construction.

Expert Team

Li Jinbao | Technical Expert

Chairman of Dongnan; Professor-Level Senior Engineer and National First-Class Registered Constructor

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Expert Team

Xu Zhaodong

Xu Zhaodong; Distinguished Professor, Grade II Professor and doctoral supervisor, Southeast University

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Expert Team

Qiu Hongxing

Qiu Hongxing; National First-Class Registered Structural Engineer

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Expert Team

Chun Qing

Chun Qing; National First-Class Registered Structural Engineer

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Meet the complete expert team ↗

06 / NEWS & TECHNICAL EXCHANGE

Progress and perspectives.

News2025-11-19

Nanjing University Kindergarten Retrofit Shortlisted for Design Award

Structural reconfiguration and member strengthening supported the renewal of campus spaces.

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News2025-11-07

17th National Academic Conference on Building Assessment, Strengthening and Retrofit

In November 2025, Li Jinbao delivered a keynote in Wuhan; six company papers appeared in the proceedings.

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News2025-08-23

Participation in Resilient City Safety Technology Seminar

On 23 August 2025, Dongnan joined the seminar and launch of the Yangtze River Delta Urban Safety Development Industry Alliance in Nanjing.

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All news ↗

TECHNICAL QUESTIONS

A clearer starting point for your project.

Foundation Strengthening & Tilt Correction2026-10-28

How do building tilt correction and foundation strengthening differ?

Foundation strengthening addresses capacity and deformation of the ground and foundations; tilt correction adjusts a building's inclination. They may be coordinated, but settlement stabilization, tilt correction and structural strengthening have different objectives.

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Structural Strengthening & Concrete Replacement

What information should I prepare for a strengthening consultation?

Provide the location, building use, photographs and available investigation, design, as-built, testing and deformation records. If information is incomplete, describe what is available so the team can identify further investigation needs.

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Foundation Strengthening & Tilt Correction

Does a wall crack mean the foundation is settling?

Cracks have many possible causes. A photograph alone cannot diagnose foundation settlement. Crack location, shape, progression, structural details and settlement observations must be assessed together.

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All technical questions ↗

07 / SPECIALTY MATERIALS