... forming machine CE ,ISO9001:2000 Taper pipe-end cone formerforming machineZSG50Features:Microcomputer control, Chinese/English display, man-machine interactive ... cold-forging method to forge and tensile pipe, form cylinder, cone, checker pipe, bellows and othersIt adopts closed-circuit lubrication system ... shrinking capacity: 50mmx2mmpipe-contracting capability once : 290mm Taper pipe-end cone former