... MaterialStainless steel, aluminum alloy; Brass alloy; Tinplate, copper;3.Machining processesForging ,Maching,Hobbing, Broaching, Driling,Milling,Grounding4. ... grinding machine;General punching machine, CNC turning center; Wire EDM, 4 or 5 axis-CNC center processes.6.QC1) ... pricing and timely delivery. Precision metal parts for OEM ordersSimilar products we serve customized chain wheel sprocket ...