PERFORMET

copper alloys; copper alloys containing copper, nickel, silicon, and chromium; rods and tubes made of copper alloys; rods and tubes made of copper alloys containing copper, nickel, silicon, and chromium

Piston rings, automotive valve guides, and valve seats; Piston rings, automotive valve guides, and valve seats made from copper alloys; Piston rings, automotive valve guides, and valve seats made from copper alloys containing copper, nickel, silicon, and chromium

engineering design services; product development and engineering services for others