The so-called "industry specialization". Compared with the general print, the print process is much more complicated (usually 16 steps), even though the previous process is the same. The general printing factory does not have any special post process equipment, nor any professional technicians. They lack of skilled workers and the process of quality control, the production cost is also high. Some printing shop salesman dare to say anything big, but in the end both delay customers, but also lost their reputation. We have seen this kind of Poker: because the glazing material formula has a problem, the card is black and astringent; and touch up uneven and large deviation.