... zinc alloy,aluminum,iron,and ect.4.)process/treatment:cutting ,stamping,perforating, bending, welding,plating,powder coating,assembling,5.)machine ... express charge is paid by customers)8.)metal pressing parts can be supplied as per custom design or samples9.) ... capability to manufacuture all kinds of metal parts base on custom's drawing or samples15.)Quality garantee of ISO9001.. metal stamping parts