... die casting moulds and die casting parts. The details for water pump for air conditioner ,shown as below: ItemDescriptionDie castingpartsModelHX10028Molding technicsDie castingMaterialADC12,A380,AlSi12 ... ,TQ1,2343,SKD61,45#steel,etc.Heat treatmentHardened,NitridingHardnessHRC50~55Mould featureAdvanced design, Novel structure, High precision, Quality materials, Long lifetime, Short delivery ...