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Nantong Sudong Steel Structure Co., Ltd. established in 1996, is a comprehensive heavy steel structure service provider integrating R&D, design, manufacturing, construction, and international trade. Originating from a former collective enterprise, the company transitioned through diverse industries such as agricultural tools and machinery before officially focusing on the steel structure sector in 1996. With nearly three decades of deep industry experience, the company holds professional qualifications for steel structure production and installation, positioning itself as a trusted partner in the global market.
The company operates a domestic production base covering 50,000 square meters, comprising an independent steel structure factory, an exterior wall panel company, a bridge processing base, and an import/export enterprise. Equipped with seven production lines—including six intelligent robotic welding lines and box girder production lines—the company achieves an annual production capacity of 40,000 to 50,000 tons. With a strategic overseas presence across key global markets, its products are exported overseas, supported by extensive experience in international project execution.
Nantong Sudong holds internationally recognized certifications including ISO 9001 (IAF, IAS), EN1090 CE, and Russia’s GOST, ensuring full-chain quality control. The company has served numerous Fortune 500 clients such as CNOOC, FAW-Volkswagen, Hengli Petrochemical, China State Construction, CCCC, Nike, and Shanghai Pudong International Airport. Its business covers customized steel structure solutions for industrial plants, bridge projects, stadiums, and other facilities.
Guided by the principles of “integrity first, quality foremost,” and committed to a “hassle-free customer experience,” Nantong Sudong continues to advance its brand globalization. Through professional solutions, efficient delivery, and reliable after-sales service, the company strives to be the preferred partner for clients worldwide.
that originated from China and serves the global market.
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AND VALUES
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Our MissionTo build safer, more efficient, and sustainable industrial and architectural environments through high-end steel structures and integrated green building solutions. -
Our VisionTo become a globally renowned integrated service provider for intelligent construction and green equipment. -
Our ValuesTrust as Our Foundation: We deeply understand customer needs, deliver solutions that exceed expectations, and build lasting trust through every precise delivery.
Excellence Creates Value: We pursue millimeter-level precision in manufacturing, embrace continuous improvement in management, and embed lean thinking throughout our operations to eliminate waste and create core value for our clients.
Innovation Drives the Future: We embrace technological change, continuously advance in smart manufacturing and BIPV integration, and tackle the challenges of our time with intelligent solutions.
Responsibility at Every Step: We commit to lifelong product safety, nurture the growth of our employees, honor our environmental commitments, and act as a steadfast pillar for industrial and social development.
Collaboration for Shared Success: We foster synergy within our teams and build ecosystems with customers and partners, creating greater possibilities through shared growth.
SUDONG STEEL STRUCTURE?
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FULL-PROCESS CUSTOMIZATION CAPABILITY
We have a team of professional engineers and a Tekla modeling team, providing services such as drawing deepening, intelligent layout, robot welding, and multi-process collaboration, enabling precise delivery from drawings to finished products.
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SUPPLY CHAIN AND COST ADVANTAGE
Based on over three decades of industry experience, we have established strategic partnerships with several large domestic steel mills, enabling us to fully control the entire process from raw material procurement to production delivery, ensuring cost competitiveness and supply stability.
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STRICT QUALITY SYSTEM
We implement full-process quality control, have a laboratory and cooperate with third-party testing. All products comply with international standards such as CE and ISO 9001. All key weld seams undergo comprehensive non-destructive testing, and the entire process is traceable.
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INTELLIGENT PRODUCTION AND LARGE-SCALE DELIVERY
We have 7 automated production lines, 5 groups of robot welding stations, laser cutting, large-scale bending and a 1300-ton press machine, among other advanced equipment. We possess the capability for processing heavy and irregular components, with an annual production capacity exceeding 50,000 tons, and can cater to both mass production and flexible production.
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GLOBAL LOGISTICS AND RAPID RESPONSE
The company is located at a key transportation hub in the Yangtze River Delta. It takes only 1.5 hours to reach Shanghai Port, Nantong Port and Zhangjiagang Port. Surrounding areas have a thousand-ton inland river terminal, 4 expressway exits and access points for the China-Europe Railway Express, forming an efficient international logistics network.
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Trustworthy long-term partner
We have served numerous global renowned enterprises such as China Communications Construction Company, Sinopec, Nike, SAIC, etc. Our projects cover high-end markets from Southeast Asia to Europe and America. We have always won the trust of customers through reliable delivery and continuous service.
CORE BUSINESS VIEW MORE
We focus on providing high-performance and customized steel structure systems and supporting solutions for global customers, mainly applied in:
Industrial buildings: large factories, logistics warehouses, manufacturing bases
Public infrastructure: transportation hubs, sports venues, bridge projects
Energy and chemical industries: petrochemical pipelines, nuclear power equipment supports, power facilities
High-rise buildings: commercial complexes, multi-functional towers
Integrated building systems: steel structure villas, insulation wall panels, doors and window curtain walls
At the same time, we also provide supply and OEM services for standard components (GET parts) for the construction machinery industry.
The waters are calm yet profound, and the game spans the entire world. After more than ten years of hard work and struggle, every step of growth has been transformed into valuable experience and wealth. Now, Su Dong Company has formed a diversified business model centered on the development of large-scale standard factory buildings, while also covering steel structure villas, steel structure pipe corridor passages, ramps for underground garages and entrance canopies, image projects for community gates, and the production and sales of polyurethane insulation boards. We have always focused on brand building, with the core goal of improving product quality and management level. With a stable and pragmatic development attitude, we have ranked among the leading companies in the industry. We always follow the customer's needs as the orientation, and solemnly promise to provide one-stop full-chain services for steel structure factory building design, production, and installation.
No matter where you are or what the scale of the project is, Su Dong Steel Structure is willing to provide you with a professional team and mature experience to help you realize your blueprint.
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Our Product
Industrial Construction & Heavy Equipment Public Infrastructure Energy & Chemical High-Rise Building Structures Ancillary SystemsContact us
Tel：+86-1879 5796 599 +86-1894 4418 333 Phone：+86-513-88689018 Fax：+86-0513-88689018 E-mail：export@worldsd.com Address: High-tech Zone, Hai'an City, Nantong City, Jiangsu Province, China
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