... high quality3.)materials:steel,stainless steel,brass,zinc alloy,aluminum,iron,and ect.4.)process/treatment:cutting ,stamping,perforating, bending, ... express charge is paid by customers)8.)metal pressing parts can be supplied as per custom design or samples ... , also supply OEM metal components, plastic components. We have high quality plastic injection machines, punch machines, cut machines, aut-lathes ...