GI GL roofing sheet is suitable for industrial and civil buildings, warehouses, special buildings, and large-span steel structure houses. GI GL roofing sheet have Anti-rust and anti-corrosion, high strength, light weight, easy installment and detachable.Witop Steel have reliable and stable quality, reasonable price, fast delivery time and 20 years of exporting experiences. GI GL roofing sheet has been approved by ISO9001 quality management system certification and ISO14001 environmental management system certification.

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