... Packing:Plywood case, wooden case, bag, pallet,box,carton, container,etc, up to clients’ requirements17: process: sand castings ... blast cabinet,heat treatment cellar..Manufacturing equipment(foundry shop used): numerical control lathe,vertical type CNC machining ... sand testing equipment, chemistry composition amalysis room.20:Testing equipment(machine shop used):service provided:a) source selectionb) ...