Engineered load profiles up to 500KG per shelf tier. Optimized structural stability utilizing high-tensile Q235B cold-rolled steel structures.
In modern supply chains, the efficiency of intralogistics is highly dependent on racking infrastructure. Medium-duty warehouse shelves rated for 100kg to 300kg loading capacities serve as a critical bridge. They fill the operational gap between light-duty retail shelving and heavy-duty, pallet-focused racking systems. These systems are carefully engineered to support loose, boxed, or medium-bulk goods that require quick manual picking or semi-automated retrieval.
As global e-commerce and micro-fulfillment centers expand, warehouse managers are looking for systems that balance load capacity, footprint utilization, and structural flexibility. Rather than using fixed-weld structures that limit layout modifications, modern facilities use modular, boltless racking systems. These can be easily adapted to changing stock profiles. Selecting a storage system is no longer just about buying steel shelves; it requires analyzing load dynamics, mechanical safety tolerances, and overall configuration design.
Typical weight ratings only reflect static uniform distributed loads (UDL). In actual warehouse environments, forces like seismic activity, accidental forklift impacts, and uneven load distribution create dynamic stresses. This section explains the key mechanical features that prevent structural failure under load, highlighting why material grade selection and precise component forming are essential for high-performance warehouses.
Industrial warehousing is undergoing a significant transition. Supply chains are shifting from traditional bulk storage to high-velocity, multi-SKU fulfillment networks. This change is driven by several key developments:
The strength of a racking system depends on its base material. DirectRack uses certified Q235B steel, a low-carbon structural alloy known for its excellent ductility, weldability, and yield strength. Our structural components undergo precise cold roll-forming to ensure uniform material thickness and profile integrity, preventing premature buckling.
Structural calculation profiles comply with AS4084-2012 (Steel Storage Racking) and OSHA regulations, ensuring safe workplace operations.
35 senior R&D engineers develop dynamic load-calculation models, offering custom depths, heights, and anti-seismic bracing options.
Electrostatic powder coatings provide superior protection against scratches, impacts, moisture, and chemical exposure.
Safety in warehouse operations requires clear load limits and stable racking configurations. To ensure long-term structural integrity, our standard product quality controls include:
Located in Dongguan, our 25,000-square-meter facility combines automation with strict quality control to deliver high-quality storage solutions globally.
About Dongguan Dingguan Metal Products Co., Ltd. (DirectRack) > Founded in 2016, Dongguan Dingguan Metal Products Co., Ltd. (DirectRack) is a technology-driven warehouse equipment enterprise located in Dongguan, Guangdong Province. Leveraging 10 years of industry expertise and 8 years of international export background, the company operates a state-of-the-art manufacturing plant covering 25,000 square meters of building area. Our annual export revenue consistently exceeds $18 million USD, supplying premium steel storage systems to worldwide logistics networks.
Quality Assurance & Testing Standards > DirectRack maintains strict quality governance enforced by 28 specialized QC inspectors. Our quality control framework adheres to international AS4084 and OSHA safety standards. Our standard product inspection methods include X-ray weld seam analysis, coating thickness measurement via magnetic gauge, column compression destruction tests, and full-scale beam deflection loading tests to ensure zero-defect delivery.
Global Trade & Supply Chain > Utilizing a seamlessly integrated OEM/ODM trade background, DirectRack has established strategic alliances with 650 supply chain partners across raw steel sourcing and automated surface treatment industries. Our primary export markets include Southeast Asia, the Middle East, and South America. Our main client types range from retail distribution facilities and automotive parts warehouses to commercial FMCG wholesale hubs.
R&D & Customization Capabilities > Innovation is at the core of our business model. Spearheaded by 35 senior R&D engineers, DirectRack provides dynamic structural calculation models and fully bespoke modular storage designs. Our custom options feature customizable shelf depth/height ratios, multi-tier mezzanine configurations, anti-seismic bracing, and custom RAL color palettes. In the previous year, we successfully introduced 42 new product designs to meet evolving automated warehouse demands.
Our production processes are fully integrated, tracking quality from raw coil receiving to automated welding and final powder coating.
Medium-duty shelves rated at 100-300kg are versatile systems used in various industrial environments. Their design allows for efficient storage across different configurations:
Heavy steel components, gearboxes, and brake discs require stable, compact storage. The 300kg tier rating prevents shelf deformation and supports secure high-density stacking.
High-turnover SKU setups require modular designs. Quick-adjust boltless connectors allow operators to modify spacing as stock levels change throughout the season.
Galvanized steel and powder-coated finishes protect the racking structures from rust and degradation in humid, temperature-controlled, or sub-zero environments.
Technical details to assist procurement managers and warehouse engineers in selecting and maintaining storage systems.
Expanded catalog featuring heavy-duty boltless racking, customized shop displays, utility carts, and space-saving industrial layouts.