JOLLY- Professional phone case factory since 2010 

High imitation Apple 5s mobile phone case manufacturer

by:Jolly     2022-01-17
1. Check the printing width of the printing platform to see if the actual printing format can cover the entire printing format. The greater the deviation, the worse the performance of the machine and the higher the degree of modification. 2. Repeatedly print pictures with very thin lines in one position, usually In terms of printing, a qualified wooden box color printer will print 5 to 8 times without deviation. 3. According to the size of the platform, print a one-half or two-thirds of the size of the frame, measure the diagonal of the frame, if there is no error, the comparison value can be compared, which proves that the stability is a pass. , Has the important conditions for mass production.
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