... manufacture XKS-02 cast iron defect welding machine / weld pin hole machineMain Parameters:1.Input Voltage: AC 220V Single-phase: ... machine spare parts and other tools.2. Suitable defect: Pin holes, gas hole, burring, flash, bump, scuffing, edge chipping, pinhole ... process:Application examples:1.welding casting pin holes 2. XKS-02 cast iron defect welding machine / weld pin hole machine