... , the external wall is FRP ,the middle layer is heat insulation one, and the internal wall is High quality stainless steel ... front, Some working tables and related shelves, One business cash box. 4.Flooring : Non-slip flooring(aluminum)with drain, easy ... . 5.Electric accessories : Lighting device, socket, voltage governor, fuse/connecting box and external cables available. and on/off control switch 6 ...