Global Leader in High-Density Automated Racking Systems, Heavy-Duty Cantilever Racks & Mezzanine Platforms. Engineered for safety and structural reliability.
Ningbo Dade Smart Storage Equipment Co., Ltd. (globally branded as DeltaStorage) is an elite industrial enterprise specializing in high-density automated racking systems, heavy-duty cantilever racks, and modular mezzanine platforms. Strategically located near Ningbo Port, one of the world's busiest logistics hubs, our factory optimizes logistics and global distribution operations.
For more than a decade, DeltaStorage has pioneered robust solutions for global industrial warehouses. Utilizing advanced cold-rolled steel, finite element analysis (FEA), and fully automated production systems, we supply the international market with structural products that conform to the highest safety and seismic regulations. Our team operates at the intersection of structural engineering and logistics optimization, guaranteeing high-performance density systems for complex supply chains.
Our facility is strategically positioned near Ningbo Port. This prime location dramatically reduces global transit times and transport overheads, allowing for efficient logistics operations for international shipments.
A massive, state-of-the-art manufacturing campus integrated with smart cold-rolling lines, precision CNC punch lines, and fully automated electrostatic powder coating systems.
With 10 years of export experience and global compliance, we ship high-density industrial racking systems to over 50 countries, generating an annual export revenue of $45 Million USD.
Custom structural steel grade selection, specialized beam connector geometries, and structural dynamic load certifications optimized by dynamic finite element analysis.
From raw coil sourcing to final coating and packaging, our production cycle utilizes automated machinery and strict tolerances to meet CE, TUV, and ISO14001 specifications.
We source structural steel plates exclusively from major state-owned steel plants in China. All materials undergo comprehensive verification testing. Our engineering team utilizes spectrographic raw material alloy analysis to verify precise chemical composition (carbon, manganese, and silicon content) to guarantee standard yield and tensile strength thresholds prior to roll forming.
Steel strips are fed into advanced automated multi-station cold rolling forming lines. The profile of each upright frame, load-bearing beam, and structural bracing is shaped incrementally to eliminate residual manufacturing stresses, achieving dimensional deviation tolerances within ±0.5mm.
Critical structural connections, bracket plates, and beam connector plates are assembled and welded. Using robotic welding systems, we execute deep-penetration weld profiles. The automated optical weld seam inspection monitors weld profiles to guarantee zero porosity and structural consistency across all joints.
For custom configurations, holes, connector hooks, and seismic locking slots, high-power CNC laser cutters execute clean profiles. This reduces thermal stress on structural parts and guarantees seamless component assembly in the field.
Heavy-duty column bases, row spacers, and customized structural bracing are shaped using high-tonnage CNC bending machines. This process guarantees correct fold lines and angle tolerances, avoiding micro-cracks in the steel bend zones.
Components undergo a multi-stage pre-treatment wash, phosphating, and drying cycle. They are then finished in an automated electrostatic powder spraying line with high-adhesion polyester epoxy powders. High-temperature curing at 200°C produces a durable, corrosion-resistant surface. Salt-spray testing confirms high corrosion resistance in extreme industrial and cold-chain environments.
Finished uprights and beams are bundled with steel strapping, wrapped in thick protective film, and reinforced with structural wooden blocks. This packing configuration prevents surface damage and deformation during maritime and intermodal transport.
Packed racking assemblies are cataloged and stored in our staging yard. Quality inspectors verify packing lists, structural dimensions, batch test reports, and export markings before loading containers.
Our manufacturing plant features CNC machining lines, automated multi-station cold rollers, and advanced robotic welding installations. These facilities guarantee high manufacturing throughput, repeatable tolerances, and structurally sound systems.
Our heavy-duty, multi-station roll forming lines are equipped with continuous punching cassettes. They process high-tensile steel strips into complex, load-bearing vertical column profiles with uniform thickness and minimal residual stress.
Automated, high-current resistance butt welders secure connection tabs and load plate components. These units produce deep weld penetration and high-strength structural joints without thermal deformation.
High-precision multi-axis machining centers drill, mill, and thread custom tooling molds, seismic connectors, and specialized hardware parts to tolerances within ±0.01mm.
CNC press brakes handle heavy sheet bending operations. Numerical angle sensors monitor the bending process to prevent micro-cracks along structural stress lines.
Our eco-friendly, high-efficiency electrostatic powder coating system includes multi-stage pre-treatment, dry-off ovens, and automated spray zones for uniform powder thickness.
High-speed, tonnage-rated CNC mechanical punching presses punch interlocking slot profiles into columns. This guarantees alignment and simplifies field installation.
At DeltaStorage, safety is our primary focus. We employ 82 full-time quality assurance engineers who monitor each phase of production. Our operations are fully ISO14001, CE, and TUV certified, confirming our compliance with global quality and environmental standards.
Before rolling, structural steel coils undergo atomic emission spectrography. This test measures the exact percentage of carbon, silicon, manganese, phosphorus, and trace alloy components. Confirming chemical composition guarantees the steel matches the design criteria for elastic modulus and yield strength.
Our robotic welding lines feature visual inspection cameras. These sensors check 100% of weld joints in real time, detecting micro-cracks, surface porosity, and throat-thickness deviations. Defective components are automatically flagged and rejected from the production line.
We test our powder-coated samples in accelerated weathering chambers. Samples undergo exposure to a 5% sodium chloride solution at 35°C to test coating adhesion. This simulation confirms long-term corrosion resistance in high-humidity industrial sites and sub-zero cold-chain facilities.
We conduct test assemblies of completed racking configurations under design loads. These tests apply multi-directional structural loads to simulate forklift operation, floor settlement, and seismic movement, confirming structural load capacity and safety factors.
Innovation is a core driver at DeltaStorage. Our engineering division consists of 120 experienced R&D engineers. We focus on complex structural finite element analysis, automated shuttle rack integration, and custom structural steel engineering for unique environments.
We build structural 3D models of racking configurations to analyze stress distribution, buckling behavior, and dynamic seismic responses. This analytical validation guarantees safety and optimizes steel placement.
We engineer customized rail profiles, proximity switch brackets, and docking assemblies for automated shuttle systems (AS/RS). Our racking integrates with standard international logistics software and automation equipment.
For high-risk seismic regions, we design custom upright shapes, heavy-duty baseplates, and reinforced beam connectors. These configurations absorb and distribute seismic forces, preventing system collapse.
Depending on project requirements, we offer customized steel grades (e.g., high-yield Q355B or Q420), heavy-gauge hot-dip galvanization for outdoor use, and dual-coat treatments for harsh chemical environments.
Over the past year, our engineering team introduced 120 new product variations. We continuously update our designs to improve steel weight efficiency and load capacities, helping our customers optimize their warehousing investments.
DeltaStorage operates a direct-to-builder and global engineering solution model, coordinating with over 1,850 upstream and downstream supply chain partners. We supply high-density racking to demanding industrial sectors worldwide.
Our core export networks serve projects in North America, Northern Europe, East Asia, and the GCC region. We navigate regional construction codes, port customs, and localized freight delivery protocols to ensure on-time project execution.
We supply structural steel frameworks for automated storage and retrieval systems (AS/RS). Our high-precision rails and vertical tolerance controls support error-free operation of high-speed stacker cranes and shuttles.
We engineer racking systems using high-strength steel grades rated for low temperatures. These systems are protected with anti-corrosion powder coatings designed to withstand continuous exposure down to -30°C without embrittlement.
For chemical and hazardous materials, we customize racking with spark-resistant finishes, secondary containment accessories, and corrosion-resistant coatings to handle exposure to aggressive chemicals.
We supply modular, fast-assembly racking layouts to global third-party logistics providers. These configurations offer high flexibility for variable inventory profiles, enabling quick adjustments to changing client requirements.
DeltaStorage