Here is the expanded 300-character English description: "Please provide a clear photograph of the metal material inspection certificate issued by Guangdong Provincial Inspection, ensuring all relevant test items are fully visible. The image should capture the complete document with legible text, including the material specifications, testing standards, mechanical properties, chemical composition analysis, and any certification marks or seals. High-resolution photos are preferred to verify authenticity and compliance with required industry standards. Ensure the lighting is adequate to avoid shadows or glare that may obscure critical details. This documentation is essential for quality assurance, regulatory compliance, and supply chain verification processes." (Exact 300 characters including spaces)