... ,Multi-spindle 3-D CNC Deep Hole Drilling Machine is suitable for drilling 3-D or 2-D holes ... moved outer method(gundrulling method)with high efficiency,highaccuracy and high automatic . It can instead of drilling,counting,reaming by one time drilling ... electril-thermal hole of plastic and rubber industry.Valve,distributor,pump body of the bydraulic mechanism .Cylinder body,oil provide parts, driven ...