... productive capacity: Processing material Aluminum, Carbon steel, Stainless steel,Brass, Titanium alloy,Tungsten steel ,POM, etc ... .Surface treatmentPolishing, Powder coating, Spraying, Anodising, Zinc Plating and etc .Heat treatment Annealing, normalizing, tempering, quenching,quenching ... , pneumatic actuator ball valve aluminum alloy pneumatic control valve accessories