... ,Copper,Plastic,Nylon,Fiberglass,crystal etc.Adaptable IndustryStamping parts are used in Automotive , Electrical , Building , Furniture , Machine assembly ... Robot Welding Machine, Argon welding Machine, Plate Sheers, CNC Pipe Bender, CNC WIRE EDM and some testing machines .ProcessingStamping , ... Sault spray testing machine, Hardness tester What's used for?crystal star award,zinc alloy medal,gold ...