... ,film covering equipment,roll forming machine,preheating oven,polyurethane foaming system,double belt conveyot ,double belt heating device,cutting device,automatic stacker.Sandwich panel parameters1 ... .coil weight:50tons4.Inner Dia. of coil:508mm,610mmWhole line parameters1.Working speed:max:7m/min(adjusting)2.Total length:about 105m3.Double ...