www.啪啪.com_国内欧美一区二区三区_久久久夜色精品国产噜噜_高中生被老师第一次处破女

How to choose the UV machine

      Contrast, basically be to see what materials and what color printing, if print this kind of glass metal or comparing common universal printer is better, because the cost performance is better. If it is print following from such as plastic, etc., using UV machine is the best. UV machine some white ink, and there is no tablet, so the function of UV printing dark bottom material things, but only ordinary universal printer to print light substrate. UV is not need to spray coating, but first need to spray coating tablet and then print. Of course, the key is tablet cheaper, UV machine expensive.