... quick change, guide shoe online change This is a Cone-type Piercer for Tianjin Steel Pipe Co., Ltd ... arrangement and left-right guide shoe arrangement, the vertical cone-type piercer has the following characters:1. In No ... larger, its same changing between axial speed and metal flow speed helps metal deforming with less defects, good quality ... .2009, TZCE has produced 28 sets of Cone-type Piercers.