manufacture ISO certification high quality,competitive price. Mesh: 8-12, 16-24, 20-30. 30-40, 40-60, 60-80, .... MnosodiumGlutamateItemGB/T8967-2000/FCCIVSpecificationPurity99% up , ... %Pb mg/kg≤1 mgChloride(Cr)≤0.05%Mesh standard8-12, 16-24, 20,30,40, 40-60, 60-80, 80-100 ...