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China Space Frame,Steel Building,Pipe Truss Manufacturer & Supplier

Specializing in welded & bolted ball-grid and large-span space-frame structures, we offer expert design, precision fabrication, installation, and comprehensive after‑sales support.

We Make Steel Structures

High-Quality Steel Structure Solutions

Industries We Can Serve

Committed to advancing space-frame solutions, we equip architects, engineers, contractors, developers, and property owners with top-tier products and outstanding service.

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About PURUN Steel

Leading Steel Structures & Space Frame Solutions Provider

Purun Steel Structure excels in welded and bolted ball grids and large-span frames. With 90+ technicians and 160 teams, we've finished nearly 1,000 projects globally. We provide ODM/OEM services, from 3D design to after-sales support. Our annual output is 30,000 tons of grids and 600,000 sqm of roofs, with a 65,000 sqm construction capacity.

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  • 2000
    Founded
  • 1,500+
    Satisfied Clients
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Your Partner for Steel Structures Manufacturing and Installation