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High-Bay Automated Warehouse (AS/RS)

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  • High-Bay Automated Warehouse (AS/RS)
  • High-Bay Automated Warehouse (AS/RS)
  • High-Bay Automated Warehouse (AS/RS)

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High-Bay Automated Warehouse (AS/RS)

Once racking passes roughly 15 m, the building stops being a shell around a storage system and becomes part of the machine. Stacker cranes run on rails fixed to the structure, so column alignment, floor flatness and settlement tolerances move from "good practice" to "the system does not run without them". This is the most tolerance-sensitive building type in the warehouse family.

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Product Description

STEEL STRUCTURE WAREHOUSE
High-Bay Automated Warehouse (AS/RS)
Structure that becomes part of the machine
Aerial view of Keming Steel Structure 120,000 m2 fabrication facility

Once racking passes roughly 15 m, the building stops being a shell around a storage system and becomes part of the machine. Stacker cranes run on rails fixed to the structure, so column alignment, floor flatness and settlement tolerances move from "good practice" to "the system does not run without them". This is the most tolerance-sensitive building type in the warehouse family.

FACILITY
120,000
m² smart park
ANNUAL OUTPUT
100,000
tons per year
PRODUCTION
7
steel lines
EXPORT
20+
countries
WHERE IT FITS
Automated storage and retrieval (AS/RS) installationsHigh-density pallet storage where land cost is high
Operations running narrow-aisle or AGV-based handlingBuffer storage feeding automated production
TYPICAL SPECIFICATION
PARAMETERVALUE
Building height18–45 m, set by racking height
Typical stacking height25–32 m (up to 40 m in low-seismic zones)
Building width30–60 m; typically 36–45 m
Bay spacing12–15 m for racking and AGV clearance
Floor flatnessFF50 / FL35 minimum; ≤2 mm per 2 m² for AGV paths
Column verticality≤0.5° (H/1000, max 5 mm per 30 m)
Rail alignment±1 mm over 30 m height
Differential settlement< 1/1500
Roof deflectionL/400 or stricter
Column driftH/400 or stricter
First-mode frequency> 1.5 Hz, clear of shuttle cycle resonance
Base column load60–80 kN/m&sup2; when racking is fully loaded
Anchor bolt tolerance&plusmn;2 mm with pre-set templates
FireESFR plus intumescent coating, 120-minute rating
Main steelQ355B / Q235B (GB), S355JR / S275JR (EN), or ASTM A572 Gr.50
HOW IT GOES TOGETHER
The racking is designed as a structure independent from the building frame. That separation matters: if the rack and the building share load paths, rack deflection and building sway interact, and stacker cranes lose rail alignment. Columns are fabricated with pre-camber and set on adjustable base plates, grouted and allowed to cure before erection continues, which removes settlement during assembly. Every column is monitored for verticality during erection rather than checked afterwards. Before roof cladding goes on, the frame is laser-scanned and rail brackets are shimmed from the scan data. Racking anchorage, conveyor supports and sensor conduits are detailed into the shop model from the start, because retrofitting them into a finished frame is expensive and slow.
SURFACE TREATMENT
Hot-dip galvanizing
For humid or corrosive sites
Paint system
Blast to Sa2.5, epoxy zinc-rich primer
Duplex system
Galvanizing plus paint topcoat
Marine-grade coating
For long sea freight
WHAT WE HANDLE
Structural design in PKPM, 3D3S, Midas, SAP2000Shop detailing and BIM models in Tekla
CNC cutting, automatic submerged-arc weldingExport packing, container loading, documentation
3D assembly guides, localized erection manualsOn-site supervision where the project needs it
HOW QUALITY IS CONTROLLED
Steel comes from certified mills with full material traceability. Welds are checked by ultrasonic testing and regular weld audits under ISO 9001 control. Third-party inspection can be arranged before shipment, and load performance is verified at each production stage.
Built to your project, not to a catalogue. These are the ranges we build most often, not limits. If your project needs something outside them, send us the details — we will engineer it to spec and run the verification before production starts.

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Packing & Delivery

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FAQ

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A: We are a steel structure company based in Shandong, China, supported by our own factory, professional engineering team, and complete export service system. We focus on overseas steel structure projects and provide one-stop services including technical consultation, drawing review, customized solutions, detailing, fabrication, quality control, export packing, shipment coordination, and delivery support. Our products have been exported to Southeast Asia, the Middle East, North America, Central America, East Asia, and South Asia. With strong manufacturing capacity and project experience, we can provide more reliable quality and delivery. We sincerely welcome overseas buyers and partners to visit our factory for cooperation and project discussion.

Q: How can we ensure quality?

A: We ensure quality through strong engineering, factory control, and proven overseas project experience. Our technical team uses PKPM, 3D3S, Midas, SAP2000, Tekla, and BIM for design, detailing, and production coordination, helping solve technical issues before fabrication starts. We have our own manufacturing base of over 200 mu with annual output above 200,000 tons, supported by Grade II general contracting, Grade I steel structure contracting, and certified quality, safety, and environmental systems. We have also delivered overseas projects in the Philippines, Pakistan, Nepal, and Ethiopia, covering power plants, bridges, and industrial buildings, which strengthens our practical ability in fabrication, export delivery, and on-site cooperation.

Q: What products do we supply?

A: We supply a wide range of steel structure products, including steel workshops, warehouses, industrial buildings, bridges, Bailey bridges, grid structures, villas, cold storage buildings, livestock buildings, and other customized steel components. We place strong emphasis on product quality, manufacturing accuracy, and delivery reliability. With our own factory and professional engineering team, we can also provide project-based customized solutions according to drawings, technical requirements, application scenarios, and site conditions, so the products better fit real project needs.

Q: Why choose us rather than other suppliers?

A: We stand out through our one-stop service system, reliable product quality, and proven overseas project experience. From technical communication, drawing review, and customized solutions to detailing, fabrication, quality inspection, export packing, shipment coordination, and delivery follow-up, we support the whole project process. With our own physical factory, we can control production quality, schedule, and component consistency more directly. Our experienced engineering team helps solve technical and execution issues before production, reducing errors and improving efficiency. We have also participated in overseas energy, bridge, and industrial projects, giving us stronger practical capability in international project delivery and on-site cooperation.

What does Ke Ming Steel Structure manufacture?

We are a prefabricated steel building manufacturer and global turnkey supplier. We design, fabricate, and export a full range of steel structures: industrial workshops and plants, steel structure warehouses, multi-storey steel frame buildings, livestock and poultry steel barns, cold storage / cold-chain facilities, prefabricated steel bridges (truss & girder), and steel truss floor slabs.

What certifications and standards do your products meet?

We hold National Grade 1 construction qualifications and a National Class I steel manufacturing license. Our management systems are certified to ISO 9001, ISO 14001, and ISO 45001. Products carry CE marking for the EU, Australian AS/NZS certification, North American ASTM compliance, and Southeast Asian SNI and PNS approvals. We also manufacture to AISC standards with full material traceability, weld audits, and third-party inspection. We hold 15 independent technical patents.

What is your production capacity and factory scale?

We operate a 120,000 m² smart industrial park with a total investment of RMB 230 million. Equipped with fully automated CNC processing lines, our annual output reaches 100,000 tons of prefabricated steel components and 1 million m² of steel truss floor slabs. We maintain self-built R&D laboratories and a professional welding research institute.

Do you provide structural design and shop drawings?

Yes. We provide integrated design services using PKPM and TEKLA, including structural calculation, fabrication (shop) drawings, and 3D models. Drawings and 3D assembly guides are delivered in international and localized formats to support accurate on-site erection.

Can you customize structures to local building codes and loads?

Absolutely. Every project is engineered to your local code requirements, including wind speed, snow load, seismic zone, and live/dead load specifications. Share your site conditions and we will design accordingly.

Do you provide on-site installation and overseas support?

Yes. As a turnkey supplier we provide overseas on-site installation supervision, 3D assembly guides, localized erection manuals, and remote or on-site technical support to ensure correct assembly.

Which countries do you export to, and do you handle logistics?

We have delivered projects to 20+ countries across Asia, the Middle East, Africa, Europe, Australia, and the Americas. We manage export packaging, container loading, and global logistics coordination, with secure marine packaging that protects components in transit.

What materials and steel grades do you use?

We use certified structural steel from China's leading mills with full material traceability. Grades and specifications are selected per project and code; the exact grade (for example Q235B / Q355B or equivalent ASTM / EN grades) is specified in the proposal.

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