... moulds and die casting parts. The details for water pump for air conditioner ,shown as below: ItemDescriptionDie castingpartsModelHX10028Molding ... ,QDN,8407,2344V,TQ1,2343,SKD61,45#steel,etc.Heat treatmentHardened,NitridingHardnessHRC50~55Mould featureAdvanced design, Novel structure, High ... than 2 working days.2. When have trouble during project processing, always find out problem and solve it first ...