But excludes sheetmetalworking machinery and metal-forming and forging machines.
但不包括金属板加工机，金属成形机与锻压机。
2
According to the push-iron structure of die for the sheetmetal product, introduced the forming process and the typical die design method, and the working principle was introduced, too.
针对常见板金产品模具中的推平结构，介绍了其成形工艺及模具典型结构设计方法，并介绍了模具工作过程。
3
We are the manufacturing company dealing with stamping, cutting, welding of sheetmetalworking.