dear sir ,we can supply corn starch annually 1.6millon mts.the specification of the corn starch: Pb (mg/kg): ≤1.00 Product Description » Appearance: White or pale yellow shade powder, and it's glossy Odor: Have the special odor of corn starch, no peculiar smell Moisture %(m/m): ≤13.5 Finess%(m/m): ≥99.9 Spot: ≤ 0.1 Acidity (0.1mol/lnaoh/100g): 1.8 Ash (dry basis) %(m/m): ≤0.10 Protein (dry basis) %(m/m ): ≤0.30 Fat (dry basis) %(m/m): ≤0.10 Whiteness (457 nm blue ray reflectivity) %: ≥90.00 So2 %(m/m): ≤0.003 Fe%(m/m): ≤0.002 Viscosity cp (slurry dry substance is 6%): 145± 15 As (mg/kg): ≤0.50