... price 3.according to customers requirements pressing partsMaterial * Steel* Stainless steel* Carbon steel* Aluminum* Spring steel* BrassMaterial thinkness-* From 0.1 mm to 8mmPrecision ... Processstamping, deep stamping, bending, punching, threading,welding, tapping, rivetingMaterialStainless steel, carbon steel,copper, brass, and bronze (according to customer's requirements)Surface ...