inflatable drink holder China factory
A: silk screen printing is printed by hand ,
1. We will printed the red first, then the Blue color on the red parts, then yellow on the mixed part ( red + blue) , then Black on the mixed part ( red+blue+yellow) but the worker can not control the same strength when mass production.
B: UV machine printing.
1. Screen density is 150 dpi
2. Each color will be not excursive , all the color will be same color and effect
But it have a problem too, it only can printed on white pvc material, or transparent color pvc .