Intelligent Warehousing & Smart Infrastructure

China Top Automated Shelving Manufacturer & Factory

Featured Automated Storage Solutions

Explore our premium grade heavy-duty, semi-automated, and robotic storage systems engineered for maximum space optimization.

Medium Duty 5 Layer Cold Rolled Steel Adjustable Shelving System

Medium Duty 5 Layer Cold Rolled Steel Adjustable Shelving System for Warehouse Storage

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Factory Direct Steel Shelves Storage Rack Heavy Duty

Factory Direct Steel Shelves Storage Rack Heavy Duty 5-Layer Selective Shelves High Capacity Adjustable ESD Protection Warehouse

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Heavy Duty Pallet ASRS Automated Warehouse System

Heavy Duty Pallet ASRS Automated Warehouse System with Steel Construction and High Capacity for Heavy Load Storage

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Industrial 5-Layer Cold Rolled Steel Shelving System

Industrial 5-Layer Cold Rolled Steel Shelving System with Anti-Rust Finish for Medium Capacity Storage

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Medium Duty 5-Layer Cold Rolled Steel Shelving Solution

Medium Duty 5-Layer Cold Rolled Steel Shelving Solution for Warehouse Storage

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Industrial AGV Vehicle for Heavy Load Transport

Industrial AGV Vehicle for Automated Production Line | Heavy Load Transport

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HD 10T Movable Hydraulic Vertical Mast Lift Yard Ramp

HD 10T Movable Hydraulic Vertical Mast Lift Yard Ramp Support Platform AC Powered 8ft X 6ft Portable Lift Tables for Vehicles

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SUNLI Customizable Heavy Duty Gravity Pallet Racking

SUNLI Customizable Heavy Duty Gravity Pallet Racking 5-Layer ESD Protection Adjustable Steel Bolt Powder Coating Industrial Rack

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Pioneering Smart Warehousing Excellence

Founded in 2015, Shenzhen Sunli Intelligent Logistics Equipment Co., Ltd. has established itself as an engineering powerhouse and premier manufacturer in the heavy-duty industrial racking and automated warehouse storage sector. Anchored by a state-of-the-art manufacturing campus spanning 38,000 square meters, we successfully merge structural engineering expertise with modern logistics automation.

With over 12 years of industry experience and 8 years of intensive global trade execution, Sunli has delivered reliable, high-density storage infrastructures to partners in North America, Western Europe, Southeast Asia, and the Middle East. Through these relationships, we achieve an annual export volume ranging from $18 million to $25 million.

We drive supply chain scalability for third-party logistics (3PL) providers, global e-commerce fulfillment hubs, large-scale industrial distributors, and retail enterprises by developing highly integrated automated shuttle storage systems, heavy-duty racking, and automated guided vehicles (AGVs).

38,000m²
Production Area
28
R&D Engineers
35
QC Experts
120+
New Products Annually

Global Industrial Status: The Shift to High-Density Automation

Analyzing key drivers reshaping commercial warehousing, storage footprint density, and logistical cost matrices.

Modern global industrial facilities face unprecedented headwinds. Urban land-use constraints have driven the cost of warehouse floor space to historic heights. Simultaneously, the rise of multi-channel distribution networks requires facilities to process order cycles in hours rather than days. These economic forces have rendered traditional manual static racking obsolete for high-throughput environments. Today's logistics operators are targeting two critical indicators: Volumetric Storage Efficiency (VSE) and Throughput Cycles Per Hour (TCPH).

Automated shelving and racking systems—particularly unit-load Automated Storage and Retrieval Systems (AS/RS), automated pallet shuttles, and Laser-Guided AGVs—bridge the gap between footprint limitation and high-frequency demand. By reclaiming overhead vertical space (often up to 30-40 meters) and removing wide forklift aisles required for static operations, Sunli’s automated systems achieve footprint volumetric utilization rates up to 85% higher than standard selective racking layouts.

Beyond simple density, automated systems drastically lower operational risks. Forklift collisions represent one of the leading causes of pallet rack collapses globally, incurring structural damage and inventory loss. By automating pallet transport using radio shuttles and laser-guided forklifts, operators keep manual machinery away from physical structures. This eliminates collision risks, guarantees constant pallet velocity, and ensures safe inventory flows.

China Supply Chain Resilience & Manufacturing Efficiency

Shenzhen Sunli's production capabilities rely on an established, resilient ecosystem of raw material suppliers and advanced processing partners. Drawing from a network of over 800 supply chain partners, we secure high-grade steel, electrical components, and industrial control systems even during periods of global market volatility.

Our manufacturing facility runs highly optimized automated lines. Raw steel coils (primarily premium Q235B and Q355B structural grades) pass through heavy-duty upright rolling lines, high-accuracy punchers, and automated multi-crossing beam profiling units. Precision robotic welding heads apply continuous structural seams, which are then treated with a multi-stage chemical wash before entering the electrostatic powder spray coating lines.

This vertical integration means we manage production steps, metal tolerances, and coating thickness closely. The result is a highly reliable product, reduced manufacturing waste, and lower production costs. We pass these savings directly to our global commercial clients in the form of cost-competitive high-performance storage systems.

Supply Chain Security & Control Metrics

  • Premium Raw Steel: 100% certified cold-rolled structural steel with mill test certification.
  • Traceable Manufacturing: End-to-end material tracking from raw coil to finished structural components.
  • Anti-Rust Treatment: Electrostatic dry powder coating thickness maintained at ≥60-80 microns.
  • Rigorous QA Inspections: 35-person QC team conducts weld-seam ultrasonic testing and load deflection checks.

Inside the Sunli Manufacturing & Testing Facility

A comprehensive view of our heavy-duty manufacturing lines, advanced diagnostic devices, and quality control systems.

Raw Material
Raw Material
Rolling Line
Rolling Line
Cutting
Cutting
Automatic Welding
Automatic Welding
Spray Coating Line
Spray Coating Line
Molding
Molding
Assembly
Assembly
Testing
Testing
Storage
Storage
Cutting Machine
Cutting Machine
Neutralupright Rolling Line
Neutralupright Rolling Line
Medium-duty Upright Rolling Line
Medium-duty Upright Line
Light-duty Upright Rolling Line
Light-duty Upright Line
Puncher Machine
Puncher Machine
Beam Forming Line
Beam Forming Line
Spray Coating Line
Spray Coating Line
3D Printer
3D Printer
Steel Laminate Machine
Steel Laminate Machine
Press Brake Machine
Press Brake Machine
Automatic Welding Machine
Auto Welding Machine
Multi Crossing Beam Line
Crossing Beam Line
Punching Press Machine
Punching Press
Stepped Beam Line
Stepped Beam Line

Technical Drafting & Material Verification Systems

Drawing
Engineering Drawing
Computer
CAD Analysis
Impact Tester
Impact Tester
Cross-cut Tester
Cross-cut Tester
Coating Thickness Tester
Coating Thickness Tester
Metal Tape
Structural Metal Tape
Micrometer
Micrometer
Laser Ruler
Laser Ruler
Level Instrument
Level Instrument
Laboratory DC Power Supply
Laboratory DC Power
Heat Fun
Heat Fun
Digital Display Bolt Drawing Instrument
Bolt Drawing Instrument

Technical Roadmap & Future Outlook

The transition from static steel fabrication to smart logistics hardware with IoT and AI integration.

The automated shelving market is moving from simple mechanical design to integrated hardware-software systems. To support this transition, Shenzhen Sunli is building dynamic IoT features directly into our heavy-duty structures. Our current R&D efforts focus on integrating continuous health monitoring sensors within high-density racking. These strain-gauge arrays and tilt sensors connect with the warehouse Warehouse Control System (WCS) to detect uneven load distributions, structural shifts, or potential overloads before structural damage occurs.

In parallel, we are developing close coordination protocols between static shuttle racks and mobile automated systems (AGV/AMR fleets). In typical warehouses, the rack and the AGV operate as separate systems. Sunli is integrating these layers. Real-time alignment sensors at the shuttle docking stations allow AGVs and shuttles to exchange pallets smoothly. This lowers transition times by up to 18% and eliminates manual interventions.

Finally, we are optimizing our automated cold storage solutions (down to -40°C). Normal steel becomes brittle in extreme cold, posing structural risks. Sunli uses low-temperature, high-toughness steel alloys combined with customized hydraulic components and anti-freezing sensors to ensure reliable continuous operation in cold chain environments.

Localized Applications, Support & Structural Compliance

Custom engineering for regional requirements, environmental conditions, and international structural standards.

Heavy-duty warehouse racking must be engineered for localized site conditions. Industrial installations in North America, Western Europe, and Japan must follow strict local structural rules. Sunli customizes every project configuration using Finite Element Analysis (FEA). This guarantees that our racking systems comply with regional seismic requirements, soil conditions, and municipal safety codes.

For example, in high-seismic zones along the US West Coast or South America, we design with thicker baseplates, high-ductile steel formulations, and heavy-duty cross-bracing patterns. This ensures compliance with regional standards such as the Rack Manufacturers Institute (RMI) guidelines and local building codes. In the European Union, our systems are certified under FEM 10.2.02 (the standard for steel static storage systems design), ensuring safe load limits and minimal vertical deflection.

We also provide localized setup support. In addition to supplying structural materials, we work with certified regional installation teams to handle assembly, alignment, sensor testing, and WMS software integration. This hands-on process reduces project lead times and ensures the automated warehouse meets safety compliance standards from day one.

Safety & Compliance Standards

Our commitment to rigorous international engineering standards and quality control protocols.

At Shenzhen Sunli, safety and compliance are foundational. Every component we manufacture is designed to meet or exceed global engineering standards, ensuring long-term structural integrity and reliability:

RMI & ANSI Standards

Designed and manufactured to comply with the Rack Manufacturers Institute (RMI) standards and ANSI MH16.1 specifications for industrial steel storage racks.

FEM & EN Regulations

Engineered in compliance with European Federation of Materials Handling (FEM 10.2.02) and EN 15512 standards for steel static storage systems.

ISO & CE Certification

Fully certified under ISO9001:2015 Quality Management Systems and CE marked for automated mechanical structures and AGVs.

Technical & Commercial FAQ

Direct technical answers to common queries regarding design, structural calculations, and integration.

Q1: Which steel grades are used in Sunli racking systems?
We primarily use high-strength structural carbon steels, including Q235B and Q355B (comparable to ASTM A36 and ASTM A572 Grade 50). These materials deliver optimal yield strength, elongation properties, and reliable weldability for heavy-duty storage configurations.
Q2: How does Sunli handle seismic design for earthquake-prone regions?
Our engineering team performs structural design verification using specialized FEA (Finite Element Analysis) software. We adjust column profile dimensions, baseplate footprints, and anchor bolt configurations to meet the specific peak ground acceleration (PGA) ratings of your project location.
Q3: Can your shelving and racking systems support ESD-sensitive environments?
Yes, we manufacture shelving with specialized ESD (Electrostatic Discharge) protection. By using conductive grounding paths, specialized anti-static powder coatings, and grounding clips, we prevent electrostatic build-ups, protecting sensitive electronic components during storage.
Q4: What is the typical lead time for custom AS/RS and shuttle configurations?
Standard structural components are produced within 30 to 45 days. For complex systems requiring automated shuttle integration, PLC programming, and customized WCS alignment testing, total project execution ranges from 60 to 90 days from finalized engineering approvals.
Q5: How do automated shuttle systems differ from standard drive-in racking?
While drive-in racking requires forklifts to physically enter the rack structures, automated shuttle systems use remote-controlled shuttles to transport pallets within the channels. This eliminates rack damage from forklift collisions, increases retrieval speeds, and supports both FIFO (First-In, First-Out) and FILO (First-In, Last-Out) inventory schemes.

Complete Heavy Duty & Intelligent Product Portfolio

Further specifications and product variants available for immediate international delivery.

Light Duty Assembled Hot-Dip Galvanized Wire Mesh Cages

Light Duty Assembled Hot-Dip Galvanized Wire Mesh Cages with 0.67CBM Capacity for Multi-Purpose Cargo & Storage Solutions

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China Factory High Density Intelligent AR/RS Pallet Selective Racking Shelf

China Factory High Density Intelligent AR/RS Pallet Selective Racking Shelf Heavy Duty Steel High Capacity Warehouse Storage

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China Factory Steel Heavy Duty Powder Coated Adjustable Drive-in Storage Rack

China Factory Steel Heavy Duty Powder Coated Adjustable Drive-in Storage Rack 1000kg Capacity ISO9001/CE Certified High-Density

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Laser Guided AGV Forklift with 1800mm Fork Length

Laser Guided AGV Forklift with 1800mm Fork Length Multi-Line Lidar 6-8H Working Time for Factory Logistics

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China Factory Customized Heavy Duty Automated AS&RS Pallet Storage Rack

China Factory Customized Heavy Duty Automated AS&RS Pallet Storage Rack Retrieval System

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High-Density Steel Shuttle Rack for Warehouse Storage

High-Density Steel Shuttle Rack for Warehouse Storage Pallet Racking Automated FIFO & FILO System with Powder Coating Finish

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Smart Factory AGV Robot with Real-Time Navigation

Smart Factory AGV Robot with Real-Time Navigation | Industrial Logistics

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China Factory Mobile Wheelchair Lift with Telescoping Mechanism

China Factory Mobile Wheelchair Lift with Telescoping Mechanism for Loading Platform & Ramp Vertical Lift Forklift Dock Ramp

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