... 1,HPb58-3 etc. Casting:Silica sol lost wax casting(precision casting,investment casting),Sand casting Machining:CNC lathe,four-axis ... metallurgical analysis,tensile strength tester,hardness tester,projector etc Materials Iron, aluminum, steel, copper, plastic, carbon steel, ... Service project To provide production design and manufacture, cnc part programming, etc. Testing machine Digital Height Gauge, ...