... , stainless steel, metal, brass, copper, zinc alloy, cold rolled steel with various plating 2) Head style: pan, round, flat, oval, truss ... , Heat treatment, Black oxid;4) Standard/ specification: OEM service as per customers' requests, with in-house tooling design & fabricating;5) RoHS compliance ... East , AmericaAlso we can manufacture as your drawings or samples with Quality Gaurantee