Engineered to maximize storage volume density, load durability, and industrial safety compliance globally.
Traditional warehouse operations often struggle with balancing floor footprint efficiency with accessible storage density. Standard selective racking systems provide direct access to every pallet but forfeit up to 60% of potential storage footprint to forklift aisles. Conversely, modern Drive-in Storage Systems offer a highly efficient, high-density storage layout that cuts down aisle space dramatically by allowing forklifts to enter the racking lanes directly.
As supply chain dynamics pivot toward rapid volume processing, cold chain logistics expansion, and astronomical industrial real estate costs, drive-in racking configuration has evolved. The modern paradigm integrates smart structural steel design with semi-automated shuttle systems. This evolution mitigates the typical throughput bottlenecks of Last-In, First-Out (LIFO) configurations while preserving the extreme density profiles that global distribution networks demand.
Did you know? Drive-in racks are structurally distinct because they lack traditional horizontal beam levels along the aisles. The system relies entirely on horizontal pallet rails supported by cantilevered brackets attached to upright frames. Without structural beam bracing across the dynamic lanes, the steel configurations must utilize heavy-duty top ties, rear diagonal bracing, and precise steel alloy calculations (e.g., cold-rolled high-yield Q235B steel) to resist both lateral and longitudinal force loads under standard operating conditions.
Enterprise-grade warehousing procurement requires meticulous scrutiny of load ratings, material properties, and regulatory alignments.
When selecting a global storage manufacturer, procurement officers must look beyond list prices. High-density structures demand strict adherence to global safety and durability parameters. Crucial procurement specifications include:
Global operations require cross-border compliance. Leading drive-in rack manufacturers must produce equipment matching RMI (Rack Manufacturers Institute) standards in the Americas, and FEM 10.2.02 / EN 15512 specifications within the European economic zone. Shenzhen Sunli ensures structural peace of mind by submitting designs to certified structural finite element analysis (FEA) to confirm exact structural compliance before manufacturing starts.
A Globally Recognized Heavy-Duty Industrial Racking & Automated Storage Manufacturer
Established in 2015, Shenzhen Sunli Intelligent Logistics Equipment Co., Ltd. is a leading manufacturer specializing in heavy-duty industrial racking and smart warehouse storage solutions. Operating from a modern production facility spanning 38,000 m², we leverage over 12 years of industry experience and 8 years of international trade expertise to serve global logistics and industrial sectors. Our high-performance storage solutions generate an annual export revenue ranging between $18 million and $25 million, with core markets spanning North America, Western Europe, Southeast Asia, and the Middle East.
Quality and precision are central to our operations. Our dynamic team of 35 dedicated QC professionals implements rigorous product inspection methods, including full raw material load-bearing analysis, high-precision weld seam testing, and comprehensive anti-corrosion powder-coating thickness checks. Driven by strong R&D capabilities, our team of 28 skilled R&D engineers continuously innovates to meet evolving supply chain requirements, introducing over 120 new products and structural improvements annually.
We offer extensive OEM/ODM custom options, including tailored load capacities, custom rack dimensions, color powder coatings, and fully integrated automated shuttle systems (AS/RS). Backed by a strong network of over 800 supply chain partners, we primarily partner with large-scale 3PL providers, industrial distributors, ecommerce logistics hubs, and global retail enterprises to deliver reliable, efficient, and scalable storage infrastructure worldwide.
A comprehensive visual overview of our raw processing lines, heavy-duty fabrication, automated welding, and technical verification laboratories.
Optimizing vertical cubic space for specialized industries requiring precise warehouse configuration designs.
Maximizes cold air volumetric efficiency, reducing thermal energy costs by minimizing ambient aisle volume. Sunli's corrosion-resistant galvanized structures are built to withstand temperatures as low as -30°C.
Integrating semi-automated radio shuttle racking enables swift high-density storage management. These configurations decrease forklift travel times and increase cycle operations for fast-moving consumer products.
Designed for heavy cargo profiles like steel coils, hardware tooling, and bulk automotive components. Structural configurations can hold up to 2000kg per pallet with extra floor stability guides.
Traditional static drive-in storage has historically carried a distinct trade-off: high spatial density at the cost of slower pallet retrieval speeds. As global warehouses face shifting demands, static racking systems are rapidly integrating automation.
The current evolutionary path focuses on Radio Shuttle Integration. By placing semi-automated shuttles within the racking lanes, forklifts no longer need to physically enter the deep bays. The shuttle does the internal lane travel instead. This change practically eliminates structural forklift damage, elevates workplace safety standards, and shifts the system from a strict LIFO (Last-In, First-Out) layout to a flexible FIFO (First-In, First-Out) flow pattern.
Looking ahead, Sunli's engineering roadmap leads directly to fully automated AS/RS (Automated Storage and Retrieval Systems). Our research team continuously updates rail designs to support next-generation 4-way multi-directional shuttles, vertical elevator lifts, and autonomous fleet management software. These upgrades turn storage racks into intelligent distribution centers.
Our upcoming product generation uses dynamic vibration-reduction dampers inside upright racks. These mechanical dampening systems absorb micro-shocks from dynamic shuttle acceleration, increasing overall safety and performance in seismic zones like North America and Japan.
Deploying heavy industrial racking globally requires deep local knowledge. Standard calculations cannot account for varying wind loads, local seismic parameters, or regional warehouse floor slab capacities. Sunli coordinates directly with local engineering firms to deliver signed structural calculations that easily clear local regulatory audits.
From site measurement and CAD layout design to dynamic structural load simulations and final assembly supervision, Sunli supports project developers through every installation phase.
A structure is only as strong as its weakest weld. Sunli's 35-person quality control department tests every steel batch to guarantee reliable load performance. Our standard testing routine includes:
A technical guide addressing structural loads, safety spacing, and forklift operations within high-density drive-in systems.
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