Dear Sir Madam, I'm looking for products with the following specifications: Quality Requirement: Grain grading (mm) 5~25 Silt content (%) ≤1.0 Clod content (%) ≤0.5 Needle sheet gauge tester (%) ≤15 Crushing value (%) C60-C40 ≤12 ≤C35 ≤16 Robustness (%) ≤8