... production: 30,000-80,000 per year7. fuel: natural gas, liquefied petroleum gas, gas8. skimming form: 2-lebel chemical skimming + ... 3-level water spraying9. energy-saving mode: waste gas burning, afterheat recycling and reusing,energy-consumption reducing. ... steel painting production line, aluminium coil painting line,waste gas environmental production furnace, metal packaging coating curing furnace, ...