... : steel 2, Processing method: stamping,welding, zinc electroplating 3, customized design roof's ventil stent partItem name:ventil stent partCompany Profile:With ... to 630T punching machines, totally 20 sets.We can provide in-house design, tool manufacturing, stamping and forging, secondary machining and ... , Unigraphics, Auto CAD, (IGS, STP, STL and X-T) roof's ventil stent part