1.Material:aluminum,brass.cooper. carbon steel. 2.Surface:zinc plating ,powdered,pas 3,Great quantity get lowest price. PackingInner plastic bag , outer carton box, and advised by customer.Surface TreatmentPowder coating,neikel plating,chrome plating,zinc plating,etc and We can make according to your designProduction euipmentproduction line of investment casting introduced from Taiwan,spectrum ...