Steel entering the site shall be provided with factory certificate and inspection report, and batch number and entry date shall be indicated on the certificate. The appearance inspection shall be carried out first when the reinforcement enters the site. The surface of the reinforcement shall be clean without damage, oil stain, rust, etc., and the mechanical property test shall be carried out according to the provisions. Raw steel materials and finished steel products shall be labeled and stacked in batches according to steel brand to prevent pollution. The reinforcement shall be processed uniformly.