... ,zinc,lead,Tin bronze,Manganese brass,Silicon brass,Nickel copper alloy,copper alloy such as brass: H57 H59 H62 ; bronze/ aluminum bronze: ... .Standard: GB ,ASTM ,DIN ,JIS ect. 3.Process: sand casting ,investment casting ,die casting and so on 4.drawings--mould making---raw ... and ships 6.Advantages: (1)Years' experience producing in the casting . (2)We can supply various castings according to drawing, ...