... 2.Steady capacity 3.OEM service Metal punching products1.Product name:Sheet metal stamping parts2.Material :Q235B,Q345B ... for any inquiry from you. Item name:Metal punching products Company Profile:With the advanced and high-tech machines ... systemMaterial:Steel, stainless steel, aluminum, zinc, copper, brass, plastic etcMachining process:CNC machining, milling, turning, drilling, planning, welding ...