China precision machining parts manufacturer & supplier ¡§c gensun precision machining offer: cnc turning/turned parts, cnc milling/milled parts, drilling, tapping, honing, grinding, edm, stamping and bending, precision casting. Raw materials we can process there are aluminium, brass, bronze, copper(including the oxygen free high conductivity copper), stainless steel, mild steel, zinc alloy, aluminium alloy, kovar, titanium, inconel, mocu, wcu, plastics etc. Per clients' requirement.