Advantages:

1: The traditional structure is upgraded, and the drawer type guide rail is used to achieve the same printing function and printing area, the smallest volume, and reduce the cost of shipping.

2: Upgrade the metal rack drive to reduce printing errors

3: Upgrade the working frequency and range of the white ink circulating pump to reduce the white ink pl ing.

4: Optimize the fixing method of the chain, and further reduce the noise decibels on the original mute effect.

5: The two-way printing of the board is upgraded, and the two-way calibration is simplified. Now one calibration can be achieved, reducing the white background and high stability of mass production