... , EN10293-GE300HT200, DIN17205-GS-25CrMo4 Die castingC1040 ,Alsi12Material: alloyProcess: sand casting ,investment casting ,die casting and so onStandard: GB ,ASTM ,DIN ,JISCasting process: client ... machining.3.Major product:precision machined copper parts,sand casting,investment castings,forged casting,copper gear & worms, standard screwed connection high accuracy SS ...