... :JIS,DIN,ASTM,BS 7.Weight range:0.05kg-200kg Aluminum Casting 1.Certification:ISO90012.Material:Aluminum3.Surface treatment:Mirror polish4 ... casting,forging,machining parts with different materials,such as brass,aluminum alloy,steel,stainless steel,zinc alloy. our strong R&D ... material test certificates are available upon request 2011 New China factory direct sale aluminum sand castings