Usually we may have further process on the semi production which are took off from the molds, die cutting and perforation are most common and essential crafts we often use, so as to identification(size notches), packaging and enhance breathability. Not only that, beautiful appearances are also required when shipping to customers, holes visibility and insoles edge should be care enough.
Although the cutting die and perforation die play important roles in the operation, punching strength and operation skills can also influence the final ultimate effect.
