... ShenZhen is available7.factory audit is welcomeWe manufacture precision aluminum stamping parts according to customers' design. The ... . More than 16 years experience on aluminum extrusion profile, aluminum heat sink, aluminum/steel(iron)pipe,sheet metal parts, ... chrome plating, zinc plating, mirror polished, silkscreen painting or as customer's requirement. 5. Material: aluminum, copper, SPCC, SGCC, ...