... Precision punch machining 3 Various materials 4 OEM available Certification (ISO9001:2008) OEM Service Offered1. Material: carbon, alloy, stainless steel, aluminum ... , punching, bending, CNC turning, CNC lathes, milling, CNC milling, drilling, CNC drilling, CNC boring, grinding, etc.6. Equipment: machining centers, wire EDM, CNC lathe, machining, slow wire ...