... ,50mm thick, tongue&groove styleBasementgalvanized steel sheet, square steel pipe assembling, full grid steel plate floor, three embossed steel rampsAir circulation systemInlet fanModel:YDW4.5L1Capacity ... diesel burner, 180000Kcal/h, 20N damper motor.Heat exchangerSUS304 stainless steel, argon arc welding.Max temp:80°c Heating time:4 ...