产品简介：
该机采用双柱连杆同步转动系统，冲裁平稳性好、可组装各系列铝门窗加工模具，操作简便，快捷。
It adopts double column link lever synchronous rotation system, which makes a good punching stability. It can install different dies for different series aluminium win-door system and the operation is simple, fast and efficient.
