Engineered to international FEM and EN standards. Every framework undergoes structural load testing, automated punch calibration, and corrosion-resistant powder finishing in our certified manufacturing plant.
Heavy-duty multi-tier structural steel platforms designed to double or triple vertical floor utilization without structural facility modification.
Modular, highly adjustable steel shelving configured for manual box picking, fulfillment hubs, and spare parts distribution centers.
Integrated structural pallet racking serving as upright structural columns, supporting upper steel grating catwalks and multi-tiered picking decks.
Semi-automated pallet carrier solution eliminating forklift travel inside rack lanes. Optimized for massive throughput in cold storage and FMCG facilities.
High-load selective pallet racking engineered for heavy industrial tooling, manufacturing workshops, and high-turnover logistics centers.
Configured specifically for integration with reach trucks, articulated forklifts, and automated picking machinery within e-commerce distribution networks.
Versatile, modular steel shelving units for light-to-medium industrial operations, hardware retailers, maintenance workshops, and commercial facilities.
Ultra-dense semi-automatic pallet storage with cold-resistant metallurgy and hot-dip galvanized rails engineered for blast freezers down to -30°C.
Founded in 2001, Guangzhou Heda Shelves Co., Ltd. has developed into an internationally respected Tier-1 manufacturer and exporter of heavy-duty pallet racking and mezzanine platforms. We control the complete lifecycle from structural metallurgy to turnkey site commissioning.
In structural warehouse engineering, compliance is not merely a marketing claim—it is a life-safety requirement. Industrial storage platforms operate under immense static loads (often exceeding hundreds of metric tons per bay) while enduring dynamic horizontal impact loads from material handling equipment and potential seismic forces. HEDA Shelves operates under verified international accreditations that provide complete project assurance to structural consultants, fire marshals, and local regulatory authorities.
Our plant holds formal CE Certification under Construction Products Regulation (EU) No 305/2011 (Certificate No. 2435-CPR-8605159), establishing full structural verification in accordance with European Norms EN 15512:2020 (Steel static storage systems - Adjustable pallet racking systems - Principles for structural design) and EN 15620 (Tolerances, deformations and clearances). Furthermore, our integrated management operations comply strictly with ISO 9001:2015 (Certificate No. 18624Q00169R0M), ensuring rigid metallurgical batch traceability, mechanical tensile testing, and RoHS environmental compliance for our thermosetting powder polymer coatings.
Unlike regional fabricators who outsource critical processing stages, HEDA Shelves maintains a completely vertically integrated production ecosystem inside our Guangzhou facility. Every structural upright, horizontal beam, column protector, and bracing profile passes through 10 calibrated quality-control gates:
Spectrometric & tensile verification of certified Q235B/Q355B coils.
High-speed longitudinal coil slitting with ±0.2mm dimensional tolerance.
CNC progressive multi-die punching for precision 50mm/75mm pitches.
Gradual multi-roller cold profiling prevents residual inner stress cracks.
Custom beam profiles roll-formed with closed interlocking box seams.
Automated de-burring, edge smoothing, and mechanical descaling.
Automated CO2/Argon shielded welding of beam end-connectors.
Multi-stage acid pickling and phosphating for superior corrosion resistance.
Automated electrostatic spray booth with 180°C thermosetting curing.
DFT thickness testing, load checks, and moisture-barrier export crating.
An objective, specification-driven analysis for warehouse logistics directors, civil structural engineers, and third-party logistics (3PL) procurement managers evaluating enterprise-scale storage infrastructure.
A primary consideration in industrial storage design is the mechanical yield strength of the cold-formed structural steel. Standard commercial shelving frequently employs mild commercial-grade steels without certified yield thresholds, leading to progressive deflection or catastrophic upright failure under repeated forklift impact. HEDA Shelves utilizes certified structural steel coils characterized by verified chemical composition and mechanical properties:
| Steel Designation | Standard Reference | Yield Strength ($R_e$) | Tensile Strength ($R_m$) | Elongation ($A_5$) | Primary Application in Storage Systems |
|---|---|---|---|---|---|
| Q235B (Equivalent to S235JR) | GB/T 700 / EN 10025 | ≥ 235 MPa | 370 – 500 MPa | ≥ 26% | Standard selective pallet racking beams, boltless shelving, horizontal & diagonal bracing, column baseplates. |
| Q355B (Equivalent to S355JR) | GB/T 1591 / EN 10025 | ≥ 355 MPa | 470 – 630 MPa | ≥ 22% | Heavy-duty upright columns exceeding 9m clear height, seismic zone projects, heavy-tier structural mezzanine primary support columns. |
| Galvanized Cold Coil (SGCC) | EN 10346 / JIS G3302 | ≥ 260 MPa | ≥ 380 MPa | ≥ 20% | Radio shuttle guide rails, subzero blast freezer racks (-30°C), outdoor cantilever frameworks, open-deck wire mesh panels. |
By applying cold-roll forming with multiple roll stations (18 to 24 progressive stations depending on the upright section profile), the structural integrity and rigidity of the profile are enhanced via controlled work hardening. The resulting omega (Ω) and open-lip column profiles exhibit high moments of inertia ($I_x, I_y$) and radii of gyration ($r_x, r_y$), delivering exceptional resistance against flexural-torsional buckling under extreme axial load combinations ($N_{Ed} / N_{b,Rd} \le 1.0$).
The safety and serviceability limit states of adjustable pallet racking depend heavily on the rotational stiffness ($C_{D,ini}$) and moment resistance ($M_{Rd}$) of the beam end connector. Cheap welded brackets with 3-tooth profiles or inferior pinning mechanisms exhibit low joint rigidity, allowing lateral sway and excessive beam deflection.
HEDA Shelves manufactures cold-punched, precision-stamped 5-tooth reverse-hook beam end connectors robotically welded to our double-C interlocking box beams. The connector geometry wraps tightly around the upright profile face and side flanges. Each joint features an autonomous spring-loaded zinc-plated safety lock that cannot be inadvertently dislodged by upward forklift mast movements, withstanding an upward dislodgement shear force greater than 5,000 N, fully satisfying the safety criteria of EN 15512 Clause 5.3.
Selecting the optimal racking system requires balancing storage density (percentage of floor cube utilized) against inventory accessibility (selectivity) and capital expenditure per pallet position. Below is an engineering comparison matrix:
Storage Density: Medium (approx. 40-50% floor utilization).
SKU Selectivity: 100% immediate direct pallet access.
Aisle Requirement: 2.8m - 3.5m (Standard Counterbalance / Reach Truck).
Best For: High SKU variety, fast-moving consumer goods (FMCG), third-party logistics distribution centers where every pallet must be reached instantly.
Storage Density: Extremely High (up to 75-85% floor cube utilization).
SKU Selectivity: Low-to-Medium (Lane-based LIFO / FIFO).
Aisle Requirement: Single front access aisle (Forklift entry or Shuttle cart).
Best For: Cold chain blast freezers, raw ingredient manufacturing, beverage bottling plants with large batch counts per SKU.
Storage Density: Ultimate vertical expansion (200-300% floor gain).
SKU Selectivity: 100% picking access across multiple levels.
Aisle Requirement: Pedestrian catwalks & pallet loading gates.
Best For: E-commerce fulfillment, apparel, automotive spare parts, and high-rent metropolitan logistics hubs needing dense small-item picking.
Warehouse automation, structural resilience, and lifecycle decarbonization are redefining the global procurement criteria for commercial storage systems.
Procurement is rapidly shifting toward systems engineered for automated integration. Modern selective and shuttle racks must adhere to millimeter-level tolerances (EN 15620 Class 300/400) to ensure Autonomous Mobile Robots (AMRs), automatic guided vehicles (AGVs), and vertical crane shuttles operate without sensor jamming or track misalignment.
With major logistics infrastructure expanding into active seismic regions (such as the Pacific Ring of Fire, Indonesia, the Philippines, and Central Asia), buyers require finite element analysis (FEA) dynamic simulations. Calculations must account for ground acceleration parameters according to Eurocode 8 and ASCE 7-22 codes.
Refrigerated warehouse energy consumption represents up to 60% of cold chain operational expenditures. High-density radio shuttle racking dramatically reduces the chilled cubic volume required per pallet stored, cutting cooling energy consumption by up to 35% compared to low-density selective layouts.
Modern 3PL operators frequently operate on 5-to-10-year facility leases. Procurement strategies increasingly mandate modular, non-destructive bolt-together storage systems and rack-supported mezzanines that can be disassembled, expanded, or relocated to a new distribution center with minimal scrap steel loss.
A technical evaluation of structural floor expansion methodologies to optimize cubic volume in industrial facilities.
| Evaluation Parameter | Structural Steel Mezzanine Platform | Pallet Rack-Supported Mezzanine | Procurement & Engineering Implication |
|---|---|---|---|
| Primary Load-Bearing Framework | Heavy universal columns (H-beams, square hollow sections) with secondary I-beam purlins. | Cold-rolled high-tensile omega upright profiles interconnected by horizontal beams. | Structural steel accommodates wider column grids; rack-supported maximizes bin picking underneath. |
| Span Clearances & Column Grid | Large open bays (4.0m to 9.0m unobstructed spans between columns). | Denser grid based on standard pallet rack spans (1.8m to 2.7m bay widths). | Use structural platforms if ground floors require heavy forklift maneuvering or machinery installation. |
| Payload Capabilities | 300 kg/m² up to 2,000 kg/m² uniform distributed load (UDL). | 300 kg/m² up to 800 kg/m² per picking tier level. | Structural platforms accommodate heavy machinery, sorting conveyors, or dynamic automated picking cells. |
| Capital Cost per Usable m² | Higher initial capital investment due to heavy hot-rolled steel tonnage. | 30% to 45% lower capital cost; racking functions simultaneously as structure and storage. | Rack-supported systems offer significantly faster ROI for manual picking, apparel, and e-commerce distribution. |
| Installation Timeline & Permitting | May require on-site heavy crane rigging and complex civil structural foundation anchorage. | Rapid modular bolt-together erection using standard expansion bolts; zero on-site structural welding. | Rack-supported platforms reduce warehouse installation downtime by over 50%. |
Surface degradation from micro-corrosion represents a silent failure point for high-load racking. Atmospheric humidity, condensation in cold stores, and chemical outgassing can compromise steel profiles beneath the paint layer. Standard commercial painting methods (such as direct degreasing with liquid enamel spraying) leave microscopic chemical oils that result in flaking, pitting, and accelerated oxidation.
HEDA Shelves eliminates this vulnerability by subjecting all steel components to an exhaustive chemical immersion pre-treatment bath prior to coating. The process sequence comprises:
This process ensures superior adhesion performance exceeding Grade 0 (ISO 2409 Cross-Cut Test) and saltwater spray resistance exceeding 500 hours (ASTM B117) without blistering or subsurface creep.
Technical, logistical, and structural answers compiled by our senior project engineering team to assist B2B procurement professionals.
Under the EU Construction Products Regulation (CPR 305/2011), industrial racking installed in the European Union must be manufactured in a facility audited under EN 1090-1 / ISO 3834 and conform to EN 15512 structural calculations. HEDA Shelves holds CE Certificate No. 2435-CPR-8605159. We supply full Declarations of Performance (DoP), structural load tables, material test certificates (EN 10204 Type 3.1), and safe operating working load (SWL) safety plaques with every export shipment.
According to EN 15512, under maximum uniform distributed load (UDL), the maximum vertical deflection of a pallet rack beam must not exceed $L/200$, where $L$ is the clear span distance between upright columns (or $L/300$ for specialized automated or robotic reach truck systems). For example, on a standard 2700mm two-pallet beam, the allowable deflection under full load is limited to 13.5mm. Our interlocking double-C box beam geometry ensures deflection remains well within these certified margins.
Industrial heavy racking imparts substantial point loads through the upright baseplates to the warehouse floor slab (often 50 to 120 kN per baseplate). The concrete floor should possess a minimum compressive strength of 25 to 30 MPa (C25/30 or Class 4000 psi) with an uncracked depth of at least 150mm to 200mm to accommodate high-tensile wedge expansion anchors (M10/M12 x 100mm). The floor flatness should satisfy DIN 18202 Table 3 or ASTM E1155 (FF/FL numbers) to prevent forklift mast lean at high elevations.
For standard tropical warehouses subject to monsoon humidity (e.g., Vietnam, Indonesia, the Philippines), our multi-stage chemical phosphating and high-temperature thermosetting powder coating protect steel from oxidation. For extreme subzero environments (blast freezers down to -30°C) or coastal installations exposed to airborne salinity, we provide components manufactured from hot-dip galvanized steel (EN ISO 1461, minimum 65-85 microns zinc thickness) or pre-galvanized SGCC structural steel.
Yes. Our in-house structural engineering team utilizes specialized 3D finite element analysis (FEA) software to model frame responses under earthquake accelerations. We adjust upright wall thicknesses (up to 2.5mm or 3.0mm Q355B), reinforce diagonal cross-bracing profiles, implement oversized ductile anchor baseplates, and install overhead top-tie structural portal beams to dissipate seismic kinetic energy without collapse.
Export logistics require specialized crating to avoid transport friction, moisture exposure, and deformation during ocean transit. Upright frames are nested with corrugated edge protectors, bound with heavy-duty polyester strapping, and wrapped in industrial stretch film. Beams are stacked on custom wooden dunnage blocks with protective foam separating connector brackets. Complete container loading plans (CLP) are generated via 3D software to optimize space and ensure safe unloading with standard forklifts.
Submit your warehouse CAD architectural drawing, pallet specifications, and target storage capacity. Our certified design engineers will calculate your maximum storage density, generate a complete 2D/3D layout, and provide a transparent factory-direct quotation within 24 to 48 hours.