... for punching process.5, One Hot-forging machine6,2 sets of Vibration bolishing machines,Welding machine and annealing machine. ... 7,Salt spray test machine8,2 sets of Assembly line About inspection equipments1, Callipers,2,Micrometers3 ... measuring machine (new)7,Plating layer thickness gauge8,Many go.no-go pins. Precision steel hydraulic fitting with plating zinc is available.