... hydraulic elbow forming machine 1.Hydraulic propulsion 2.M-frequency heating 3.Automatic feeding 4.highquality MAX.OD168mm hydraulic elbow forming ... c,queeching transformer 1 set 4000KVA d 1420 water cooled heating coil 1 piece4,Assembly parts a,clamp wheel,fixture made ... cast steel b,master fuselage,weldment,the main pushing board are welded board c,screw,chain,standard parts and bearing are national ...