The verticalpresdsing die bending system expands the space of the bent pipe greatly. 竖直方向压模弯制，大大地扩展了弯管空间。
The nickel stamper is then cut to the appropriate diameter along with punching a center hole used to center the stamper in the moulding machine. 最后在镍制压模上冲切用于在成型机安装的中心孔，并以中心孔定位切割到适当的直径。
