... al. alloy ,low carbon steelPrecision machine: punch press 16 to 160 tons bending machine,shear machine welding machine ... various specialized lathes CNC SERVICESProcess:stamping,punching,pressing,machining,welding,bending & metal fabrication,etc Surface finish: Polishing, ... surface plating Application:they are widely used in machine, equipment, vessel, railroad, auto parts, hardware tool, building ...