In the rapidly changing global logistics landscapes, maximizing vertical storage capacity while maintaining quick manual picking accessibility has become the defining operational challenge for distribution centers, manufacturing facilities, and e-commerce fulfillment hubs. Longspan storage shelving systems serve as the structural backbone for bridging the operational gap between heavy-duty industrial pallet racking and lightweight retail shelving. Designed to accommodate medium-to-heavy hand-loaded bulk items, longspan systems eliminate wasted storage volume, simplify load profiles, and adapt seamlessly to dynamic SKU varieties.
Modern supply chain intelligence shows that today's commercial facilities require heavy-duty performance coupled with flexible layouts. From regional micro-fulfillment centers in Europe to massive multi-tier storage operations in North America, industrial buyers demand racking solutions that meet strict safety norms while retaining high structural rigidity. As a leading longspan storage manufacturer, our systems are built using high-tensile steel formulations and finished with protective coatings. This guarantees stable load-bearing capacity even under demanding continuous loading cycles.
By utilizing taller upright frames and variable beam configurations, longspan racks turn underutilized vertical air space into usable picking levels, helping warehouses avoid expensive physical footprint expansions.
Utilizing high-grade Q235B cold-rolled structural steel, our longspan shelving undergoes rigorous Finite Element Analysis (FEA) testing to guarantee zero structural failure under full load capacities.
Designed with boltless step-beam connector clips, levels can be adjusted vertically on 50mm centers, allowing warehouse managers to reconfigure layouts quickly without specialized tooling.
Choosing the right industrial racking system requires a clear understanding of its structural composition and loading mechanics. Unlike light-duty shelving, industrial longspan racking features heavier cold-rolled upright profiles and robust step beams. This construction is designed to distribute loads evenly across the shelf length and safely transmit those forces to the floor slab.
Each bay of longspan shelving is comprised of engineered structural elements that work together to prevent deflections and withstand daily impact wear:
| Model Series | Beam Span Width (mm) | Framed Depth (mm) | Load Capacity / Level (UDL) | Applicable Decking Materials |
|---|---|---|---|---|
| Light-Duty RD-33 | 1200 - 1800 | 400 - 600 | 200kg - 300kg | Pre-galvanized Steel / Wood Fiberboard |
| Medium-Duty RD-55 | 1500 - 2000 | 600 - 800 | 300kg - 500kg | Heavy Duty Steel / Powder Coated Mesh |
| Heavy-Duty Industrial | 2000 - 2700 | 800 - 1200 | 500kg - 800kg | Reinforced Steel Panels / Wire Decks |
*Note: Load ratings are based on Uniformly Distributed Load (UDL) and comply with European FEM 10.2.02 and US RMI design standards. Always check safety parameters before modifying frame profiles.
Longspan shelving adapts well across different industrial and retail sectors. By matching decking profiles and depth options to specific operational demands, facilities can optimize their workflow efficiency.
In fast-paced B2C picking lines, multi-level longspan setups with wire mesh decking improve the utility of automated conveyor routes. Wire mesh deck design allows sprinkler penetration, meeting stringent local municipal fire codes while organizing diverse SKUs.
Automotive maintenance bays and assembly floors store heavy parts like brake discs and gear assemblies. Heavy-duty longspan designs with solid galvanized steel panel inserts resist greasy residue and handle high concentrated point loads.
Hybrid commercial spaces like hardware warehouses and big-box cash-and-carry stores combine bottom-level retail display with top-level bulk storage. Powder-coated steel/wood longspan configurations offer clean visual aesthetics alongside commercial-grade loading stability.
Established in 2015, Shenzhen Runda Racking Manufacturing Co., Ltd. is a premier manufacturer specializing in heavy-duty industrial shelving and high-density warehouse storage solutions. With over 11 years of deep industry expertise and 9 years of active global export experience, we deliver tailored racking systems to logistics hubs, distribution centers, and manufacturing plants worldwide.
Operating from a modern 35,000 square meter production facility, our operations are powered by a robust network of over 1,200 trusted supply chain partners. This enables us to achieve an annual export turnover of $28 million. Our primary markets span North America, Western Europe, Southeast Asia, and the Middle East, where we proudly serve industrial distributors, large-scale third-party logistics (3PL) operators, and direct enterprise buyers.
Quality and innovation drive our core philosophy. We maintain strict quality control through full-process sampling inspection, raw material stress testing, and load-bearing verification, backed by a dedicated team of 35 QC professionals. Innovation is led by our 18 experienced R&D engineers who continuously refine structural efficiency—releasing over 120 new and upgraded storage products last year alone.
Sourcing industrial longspan racking from Shenzhen Runda offers significant supply chain advantages. Our proximity to major deep-water ports in Shenzhen and Guangzhou enables efficient ocean transport logistics. In addition, our deep integration within China's steel-producing ecosystems provides us with stable raw materials access.
This structural vertical integration enables us to mitigate market steel price volatility and shield global enterprise buyers from unpredictable project cost increases. Supported by automated roll-forming and powder-coating systems, our 35,000 square meter facility maintains a high daily production output. We deliver consistent, high-yield manufacturing runs with shorter lead times than localized domestic fabricators in Europe or North America.
Our high production yields and strict tolerance controls are maintained by utilizing automated fabrication equipment. Below is a detailed view of our twelve-step manufacturing process and primary metalworking equipment:
Our workshop uses heavy industrial metal forming machinery to maintain quality control across high volume runs:
As smart warehousing gains traction globally, the requirements for racking systems are changing. Runda Racking is investing in R&D to integrate structural health monitoring systems and sensor configurations directly into high-density longspan installations. Future longspan structures will align with Autonomous Guided Vehicles (AGVs) and warehouse management software, utilizing RFID tags and weight sensors at beam levels to provide real-time inventory updates.
We are also working to minimize environmental impact across our production cycle. By adopting low-emission electrostatic powder coating systems and raw steel sourced from green steelmakers, our next-generation product lines will help global enterprise clients meet their ESG carbon footprint requirements.
Industrial storage solutions must meet regional building codes and safety regulations. Shenzhen Runda Racking provides localized engineering support, including static calculations and seismic analysis tailored to site coordinates. Our systems are designed to comply with global safety standards:
Our European products adhere to the Federation Europeenne de la Manutention guidelines, ensuring standard safety calculations for deflection, torsion, and load safety factors.
For the North American market, our racking conforms to the Rack Manufacturers Institute specifications, focusing on robust column designs and impact-resistant baseplates.
For facilities in high seismic activity zones, we supply customized thick baseplates, heavy anchor bolts, and additional diagonal bracing to withstand lateral forces.
The difference lies in the steel gauge thickness, the depth profile of the step-beams, and the load capacity. Light-duty longspan typically supports up to 300kg per level using thinner upright profiles and is ideal for hand-picked operations. Heavy-duty variants employ thicker structural Q235B cold-rolled profiles, wider beam profiles, and reinforced decking to support up to 800kg per level.
Our 35-person quality control team performs physical load testing and material checks. Raw steel coils are tested for yield strength and elongation before fabrication. Finished racking components are modeled with Finite Element Analysis (FEA) software and subjected to destructive load tests to ensure a safety factor of 1.5.
Yes. We offer OEM/ODM and full custom manufacturing. Our 18 R&D engineers can design specific frame heights (up to 6 meters), custom bay depths, and beam profiles. Surface finishes include durable powder coatings in custom RAL colors and hot-dip galvanized finishes for high-moisture or cold storage environments.
Standard production runs are completed in 15 to 25 days from drawing approval. Custom designs requiring special tooling may take an additional 7 to 10 days. Our logistics team handles shipping documentation to ensure smooth port transit and clearance at the destination.
Runda Racking
