ce for this powder coating line project?5. What is the heating source?(natural gas,LPG,diesel oil, electricity)6. Do you need to change powder color frequently?Workpiece color in total.7. What is the powder curing condition (180-200'C in 15-20mins, or 200C in 10mins?)8. What kind of pretreatment system do you use (spray pretreatment or dipping type)?9.Which painting method ?is ok for your application ?The automatic painting manual painting or automatic painting the conditions of the machine in