Explore our export-grade storage portfolio engineered for heavy-duty load configurations, extreme span durability, and compliance with EN 15512, EN 15620, and ANSI MH16.1 specifications.
High-strength Q235B cold-rolled steel construction with 55x50mm profile uprights for tool depots, hardware logistics, and rapid bolt-free assembly.
Versatile 4-tier modular metal shelving designed for maintenance stores, assembly lines, and small parts pick facilities with corrosion-resistant finishes.
Multi-tier heavy racking adaptable as selective, push-back, or drive-in setups. Engineered with 75mm/50mm adjustment pitch for versatile SKU dynamics.
Structural-grade warehouse rack architectures engineered for heavy machinery components, long raw materials, and high-cube automated distribution centers.
Cold-rolled structural steel with electrostatically applied thermo-cured epoxy coating. Optimal resistance against chemical humidity and industrial abrasions.
Direct factory-certified steel storage framing accommodating palletized oversized products, cross-beams, timber decking, and heavy roll inventory safely.
High-density motorized track-mounted mobile racks maximizing floor footprint by up to 85% in cold chain vaults and high-value industrial equipment warehouses.
Precision VNA (Very Narrow Aisle) high-bay storage with phosphated anti-corrosion treatment for specialized turret trucks and automated picking operations.
In high-capacity logistics environments, cantilever storage represents the most demanding structural calculation paradigm. With zero front columns to impede longitudinal handling, load distribution is entirely reliant on column bending moments and arm connection rigidity.
Cold roll-formed columns provide flexible 50mm/75mm arm adjustment pitches for light to medium duty applications up to 800kg per arm. For extreme industrial duty (1,000kg to over 4,500kg per arm), hot-rolled structural H-beams (HEA/HEB profiles or GB/T 11263 HN profiles) deliver higher yield resistance against seismic moment forces and impact shearing.
Cantilever arms are deliberately designed with a positive 2° to 3° camber angle. When loaded, arm deflection must strictly not exceed 1/250 to 1/300 of the arm length (L) under maximum Uniformly Distributed Load (UDL). Failure to account for elastic deformation causes dangerous forward product slippage and forklift mast collisions.
Double-sided cantilever columns benefit from self-balancing moments when arms on both sides are equally loaded. However, structural calculations must always account for the catastrophic "worst-case single-side load condition", ensuring the base-to-column anchor bolting can safely withstand eccentric overturning moments without anchorage yield.
When procuring cantilever systems from China for international markets (European Union, North America, Middle East, and Australia), supply specifications diverge fundamentally by structural duty classes:
| Classification | Arm Capacity (UDL) | Standard Column Profile | Arm Connection Type | Typical Stored Inventory | Compliance Standard |
|---|---|---|---|---|---|
| Light Duty Cantilever | 150 – 500 kg / arm | Roll-formed C/Omega Profile (200-250mm) | Plug-in Pin / Wedge Lock | Plastic Conduit, Extrusions, Molding | FEM 10.2.02 |
| Medium Duty Cantilever | 500 – 1,200 kg / arm | Boxed C-Profiles or Light H-Section | High-Tensile 8.8 Grade Bolted Flange | Softwood Packs, PVC Pipes, Furniture | EN 15512 |
| Heavy Duty Cantilever | 1,200 – 3,000 kg / arm | Hot-Rolled IPE / HEA / HEB H-Beam | Reinforced Pin Axle or Heavy Flange | Structural Timber, Steel Rebar, Billets | EN 15512 / AISC |
| Extra Heavy High-Bay | 3,000 – 6,000+ kg / arm | Custom Fabricated Boxed Plate Columns | Hardened Pivot Pin + Safety Retainer | Steel Coils, Sheet Packs, Marine Shafts | RMI / EN 15620 |
Global supply chain volatility, land cost pressures, and strict carbon disclosure mandates (such as the EU Carbon Border Adjustment Mechanism - CBAM) are drastically shifting how international procurement directors evaluate Chinese racking manufacturers.
Traditional manual forklift operation in cantilever lanes is transitioning toward automated high-bay cantilever AS/RS. By mounting automated rail-guided stacker cranes or four-way multidirectional automated shuttles, facilities expand vertically up to 24 meters without human-induced collision risks. Tolerance tolerances tighten from ±3.0mm to less than ±1.0mm under EN 15620 execution class standards.
Outdoor lumber yards and steel distribution depots face aggressive outdoor weather, marine salt spray, and extreme thermal cycling. Global buyers are moving away from paint coatings toward ISO 1461 hot-dip galvanizing with 85–120µm minimum zinc bath penetration. This guarantees 30+ years of zero-maintenance outdoor lifespan without galvanic steel degradation.
Tier-1 contractors and enterprise 3PLs increasingly require mill test certificates (EN 10204 Type 3.1) showing verifiable chemical compositions (Carbon, Manganese, Silicon, Phosphorus, Sulfur) and mechanical testing (Yield point ReH ≥ 235-355 N/mm², Tensile strength Rm). In addition, suppliers providing verified EPD (Environmental Product Declaration) data achieve preferred vendor status.
Our licensed structural engineers deliver complimentary 2D DWG bay layouts, 3D dynamic warehouse schematics, and certified load-deflection calculation packages within 24 hours.
Established in 2001, Guangzhou Heda Shelves Co., Ltd. has grown from a specialized steel profiling workshop into one of China's premier heavy industrial warehouse racking exporters. We deliver true direct-from-mill pricing backed by European compliance testing.
Year Established in Guangzhou, China
Automated Factory Plant Site Area
Monthly Steel Racking Output Capacity
Completed Storage Installations in 120+ Countries
Full CE Certificate No. 2435-CPR-8605159 and ISO 9001:2015 Certificate No. 18624Q00169R0M. Component engineering, welding seams, and electrostatic powder coatings fully adhere to stringent RoHS environmental safety directives.
From initial raw steel chemical verification, CNC automated cutting, continuous punch profiling, cold bending, CO2 shielded robotic arm welding, and automated 7-stage pickling-phosphating to curing lines, our production is managed in-house for zero defect propagation.
Export components are bundled in seaworthy protective film, edge-guarded, and tagged with barcoded erection numbering. Routine direct container shipments route through Rotterdam, Hamburg, Antwerp, Felixstowe, Valencia, and Genoa with full customs documentation.
Direct technical and operational answers to help warehouse planners, structural consultants, and purchasing directors make informed decisions when sourcing from China.
Our structural design software analyzes three core parameters: uniform point load per arm, load depth (center of gravity), and overall column height. If your arm requirement is under 800–1,000kg with clean packaging, cold roll-formed profiles offer high economy and 50mm adjustability. If you store raw steel tubing, heavy lumber bundles, or steel coils where arms absorb forklift impact shocks and loads exceed 1,500kg per tier, we specify hot-rolled structural H-beam sections.
First, arms are engineered with an intentional upward incline of 2.0° to 3.0° from horizontal. Under full design capacity, deflection is constrained to less than L/250 according to EN 15512 standards. Second, removable heavy-duty pipe end-stops (100mm to 200mm high) or welded front lip pins are installed at the tip of each arm to prevent round items (such as pipes, coils, and shafts) from rolling forward.
Yes. Many distributors handle both extra-long pipes and short palletized or irregular items within the same bay. We engineer custom drop-in wire mesh decks, structural steel plate shelves, or hot-dip galvanized bar grating that seat directly between two adjacent cantilever arms. This eliminates the need for separate selective pallet racking rows and creates an unobstructed continuous shelf line.
For installations in active seismic zones (e.g., Southern Europe, New Zealand, West Coast US) or outdoor coastal sites, our engineers run finite element dynamic simulations based on local building codes. We increase column web thickness, enlarge the ground baseplate dimensions, add multiple high-tensile chemical wedge anchors (such as Hilti or Fischer studs), and reinforce vertical X-bracing frames.
Standard custom fabrication for 1 to 5 full container loads (40ft HQ) takes approximately 15 to 25 calendar days. Transit times from our Guangzhou port facility typically average 28–35 days to European base ports (Rotterdam, Hamburg, Valencia), 18–22 days to the US West Coast, and 12–16 days to Australia and the Middle East. All shipments come with comprehensive Bill of Lading, Packing Lists, and Origin Declarations.
Absolutely. We serve numerous European and North American racking distributors under private label agreements. We match specific RAL industrial color schemes (e.g., RAL 5010 Blue, RAL 2004 Orange, RAL 7035 Grey), apply customized distributor branding labels, and pre-package installation bolt kits with customized assembly documentation.