Model Number: WDA-ST-2015071405 Brand Name: WDA Key Specifications/Special Features: Total 49 sets punching machine, which are 44 sets automatic punching machine and 5 sets of high-speed stampingWorking capacity: rated punching accuracy: +/-0.01mmRated stamping velocity: 804 times/secMediums: steel, stainless steel, brass, copper, aluminum, spcc, SGCCSurface finishing: according to customer's request such as passivation, oxidation, painting, dusting and so on