... steel, Carbon Steel, Aluminum alloy, Zinc alloy, copper, brass, titanium etc.Machining methodcnc Turning, Milling, Drilling, threading, stampling, punching etc ... Methods1.Prevent from damage.2.As per customers' requirements, in perfect condition.3.Send the parts by express, 3~5 ... , Optical products, test instrument etc…RemarksAll parts are not in stock, customization only!Any RFQ, please feel freely to ...