Engineered for extreme loading capacities, space optimization, and structural reliability across multi-industry environments.
Established in 2014, Nanjing Dulis Warehouse Equipment Co., Ltd. (operating globally under the premier registered brand DuraRacks) has consolidated its status as a market-leading OEM adjustable shelving manufacturer and heavy-duty industrial rack fabrication center. Leveraging over 12 years of structural design and engineering experience alongside 9 years of direct export excellence, we provide high-level logistics and warehouse infrastructure systems tailored to complex supply chains globally.
Headquartered in Nanjing, China’s industrial heartland, our facility spans a state-of-the-art manufacturing area exceeding 38,000 square meters. We leverage advanced structural cold-rolling lines, precision CNC bending machines, automated dual-axis welding systems, and environmentally controlled electrostatic powder coating plants to produce world-class products. We specialize in high-capacity adjustable pallet racking, drive-in systems, Automated Storage and Retrieval Systems (AS/RS), and medium-to-light-duty custom retail storage systems. This technical integration enables our operations to yield an annual export revenue of over $32 million USD.
In the contemporary industrial sector, supply chain managers face compounding challenges. The rapid expansion of high-throughput automated fulfillment centers, combined with global floor space costs, has created an urgent demand for highly scalable, modular, and vertically expandable warehouse architectures. Consequently, adjustable shelving has evolved from a simple storage commodity into a vital strategic asset.
Procurement professionals at global 3PL operations, heavy industrial manufacturers, and cold-storage facilities are focusing on key aspects: structural durability under continuous cyclic loads, ease of vertical adjustability, and long-term compliance with international design codes. DuraRacks addresses these needs by supplying precision-engineered upright frames, box beams, and step beams. These components feature multi-point safety connector clips and high-durability locking tabs, allowing rapid adaptation to shifting product footprints while maintaining strict safety profiles.
Modern warehouses require dynamic shelving configurations to accommodate varying inventory geometries. Our OEM adjustable shelving allows increments of 50mm, 75mm, or 76.2mm spacing, matching global material handling standards.
Racks must withstand static loads, forklift impacts, and potential seismic forces. Utilizing Finite Element Analysis (FEA), DuraRacks engineers build structures compliant with RMI (USA), FEM (Europe), and AS4084 (Australia) codes.
Initial procurement prices can be misleading if maintenance and replacement costs are high. DuraRacks structures are coated with specialized thermosetting powders to resist wear, impact, and chemical exposure, ensuring long-term reliability.
Our production capabilities integrate advanced steel-forming technology with automated quality verification loops. Raw material sheets of high-grade carbon steel (such as Q235, Q355, and SS400) undergo rigorous mechanical properties verification and ultrasonic inspection to ensure they meet our performance standards. These materials are then fed into automated multi-station rolling mills to shape the profiles of our vertical columns and load-bearing horizontal beams.
Our Quality Control department utilizes a team of 45 certified QA personnel to oversee all production stages. This structure ensures that every component leaving DuraRacks factories matches ISO9001, CE, and FEM structural integrity criteria. We utilize physical testing to verify material and construction performance, including:
Our R&D department features a dedicated group of 68 R&D engineers equipped with professional Finite Element Analysis (FEA) software and three-dimensional CAD/BIM warehouse mapping environments. This capability allows the creation of seismic-load engineered rack structures and custom beam profiles tailored to client specifications. In the past fiscal year, our R&D team developed 85 new product designs and patented racking components, improving overall logistics space utilization.
Modern inventory control requires tailored storage solutions rather than general-purpose shelving. DuraRacks develops application-specific racking configurations designed for different business sectors:
These operations require high SKU density and rapid selectivity. DuraRacks provides high-rise adjustable pallet racks that integrate with AGV systems and automated cranes to support fast product throughput.
Sub-zero environments require steel formulations that resist brittle failure. DuraRacks utilizes special low-alloy steel grades combined with impact-resistant powder coatings to preserve structural integrity down to -30°C.
Storing heavy, irregular components requires customized loading profiles. We design reinforced beam connections and solid steel decking layers capable of supporting concentrated heavy loads.
As warehouse automation continues to advance, modern racking systems must evolve beyond simple structural supports. The industry is shifting toward smart, integrated storage architectures. At DuraRacks, our technological roadmap focuses on three main developments:
First, we are refining the integration of Internet of Things (IoT) sensors into high-load shelving uprights. These sensors continuously monitor structural load distribution, deflection rates, and micro-vibrations, sending data directly to warehouse management dashboards. This real-time monitoring allows early detection of forklift impact damage and prevents structural overload.
Second, we are focusing on environmental sustainability. We are transitioning our manufacturing lines toward carbon-neutral steel procurement and utilizing dry-application, low-VOC powder coatings. This reduces the carbon footprint of our manufacturing process, helping global clients meet their Scope 3 sustainability targets.
Finally, our design teams are standardizing compatibility with next-generation Automated Guided Vehicles (AGVs) and Autonomous Mobile Robots (AMRs). This includes developing integrated guide rails, magnetic alignment markers, and sensor-reflective surface treatments to ensure precise navigation and reliable automated picking operations.
Technical details, load parameters, compliance standards, and commercial details for global procurement agents.
Flexible designs configured to maximize floor space efficiency, merchandising capacity, and stock accessibility.
DuraRacks