The materials we use are supplied from large and high reputed steel mill in China,so we can guarantee the quality up to yours. Detailed Product Description 1. Item: Steel Strips2. Standard: GB, ASTM, BS, JIS3. Material: Q195,Q235,Q215,Q345,SS400.4. Specification: width: 600-1300mm, thickness:0.5-12mm.5.Application: Used for industry construction.6. Packing: international exporting package or ...