stampinag parts material: carbon, stainless steel finish: nickel plated, zinc plated process:stamping, bending high quality stamping parts1. ... ), stainless steel, aluminum, brass ,etc 2. Porcessing: Stamping, punching, bending, welding, threading, grinding ,milling, machining ... Chromates Zinc, Rust-inhibiblacking, etc 5. Industry:these parts are used in Automotive, Electrical, Building, Furniture, ...