... Purlin / Z Purlin / H Beam, Steel Structure, Steel Work 1 reasonable price 2 reliable quality steel, Detailed Product Description Function: C shape purlin, Z shape purlin ... , H shape beam are widely used in factory buildings, high buildings, large-span bridges, gymnasiums, and portable ... 3. 0mm C) Coil width: 389mm steel, C Purlin / Z Purlin / H Beam, Steel Structure, Steel Work