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| Qingdao Zhongbo Steel Structure Co., Ltd |
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This large span portal frame steel structure workshop is designed for industrial factory and warehouse construction, featuring a modular bolt connection system that enables rapid assembly and future expansion. Engineered with Q235B/Q355 grade H-section steel, the prefabricated building delivers superior load-bearing performance, seismic resistance up to Grade 8, and a service life exceeding 25 years.
| Component | Specification |
|---|---|
| Main Steel Frame | H Section Steel Q355B, Alkyd Painting Anti-Corrosion |
| Roof Purlin | C or Z Shape Galvanized Steel Q235B |
| Wall Purlin | C or Z Shape Galvanized Steel Q235B |
| Roof Cladding | PPGI Steel Sheet 0.3-0.6mm, or Sandwich Panel (EPS/Fiberglass/Rockwool/PU) 50-150mm |
| Wall Cladding | PPGI Steel Sheet 0.3-0.6mm, or Sandwich Panel (EPS/Fiberglass/Rockwool/PU) 50-150mm |
| Connection | High-Strength Bolts Assembly, No Welding On-Site |
| Doors | Sliding Door or Electric Roll-Up Door |
| Windows | PVC or Aluminum Alloy Frame with Tempered Glass |
| Skylight | FRP Transparent Sheet 1.0-2.0mm for Natural Daylight |
Ideal for steel workshop factories, industrial manufacturing plants, warehouse storage facilities, aircraft hangars, agricultural barns, repair and mechanic shops, and large-scale logistics centers.
Qingdao Zhongbo Steel Structure Co., Ltd. is an ISO 9001 certified manufacturer with over 15 years of experience in steel structure design and production. Our 160-mu (106,667 m²) facility houses 6 production bases with 50,000 m² of workshop area and 43 patented technologies. Products are exported to 80+ countries worldwide.
Contact us today for a free custom design and quotation. Provide your project dimensions, location, load requirements, and crane specifications, and our engineering team will deliver a complete proposal within 48 hours.
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