Punching process is a high production efficiency, no or less process methods, in the economic and technical aspects which has many advantages.
冲压工艺是一种生产效率很高的、少切屑或无切屑的先进加工方法，在经济和技术方面都有很多的优点。
Punching process is a high production efficiency, no or less process methods, in the economic and technical aspects which has many advantages.
冲压工艺是一种生产效率很高的、少切屑或无切屑的先进加工方法，在经济和技术方面都有很多的优点。
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