We have our own factory of metal coke and corn starch. We can supply basicly all kinds of coke, such as gas coke/metal coke/foundry coke with different specs and so on. The specs of our corn starch is as follows:1) Appearance: white (or slightly yellow) powder with luster 2) Aroma: special smell of corn starch 3) Moisture: 14.0% (max.) 4) Acidity: 18% (max.) 5) Ash: 0.15% (max.) 6) Protein: 0.5% (max.) 7) Spot: 1.0cfu/cm (max.) 8) Fineness: 99.5% (min.)9) Fat: 0.20% (max.) 10) SO2: 30.00mg/kg (max.) 11) Arsenic: 0.5mg/kg (max.) we can give you a good price including FOB or CNF price. any question, pls contact with my cell phone: 0086-13612197424