what is the painting systemDetails: 1) Pretreatment: Dipping pretreatment with overhead crane in the concrete tanks, or fully automatic spraying pretreatment 2) Conveyor system: closed-circuit conveyor, multi-track conveyor, and so on 3) Oven(drying and curing) : batch oven, combination oven, bridge oven, tunnel oven 4) Powder coating booth: stainless steel booth, galvanized steel booth or coated steel booth 5) Powder recovery system: cyclone system or cartridge filter system 6) Control panel: PLC control, with or without touch screen 7) Spray gun and reciprocator: HUIER brand, or other brand like ITWGEMA and NORDSON.