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Device advantages:

1.Compared with ordinary expanders, there is no need to adjust with tools. The size of the code expansion can be directly adjusted by the parameters on the screen.

2.It adopts touch screen control and uses dual motors. Whether it is adjusting the size or changing the code, it can be completed with one click. Simple and fast.

3.Compared with pneumatic expanders which are noisy, electric expanders are ultra-quiet and do not require an air source. The air pipe makes the product more convenient, neat and beautiful.