1. Qualified Q235 and Q345 material 2. Sizes:25*25*1.2 - 200*200*11.75mm 3. Standard: ASTM GB 4. GI ZINC. treatment durable.

             Hot dipped galvanized square pipe ensure durable anti-rust function.

      Ready  made square and rectangular tube for export shipment from our factory

Here are the certificate awarded to our factory and qualified machinery in  workshops.

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