... air valves , hydraulic jarMold hot treatmentTempering , Quending , NitridingMould cooling systemwater cooling or Beryllium bronze collingProcessCNC , high speed carve , EDM ,wire ... machine ,wire cutting , EDM, etc.Arranging the test mould and sending the samples to customersIf clients do ... rich expereice3)Stable technical team and frequent training system,middle management peopble are all working for ...