... :1.this machine has excellent performance and high stability in ink jet printing, and sold very well to many countries. 2.The ... colors of ink include black, blue, red, and so on. 3.It fits for printing on: metal, plastic, bottle, carton, glass ... characters in all. 3. Self-adjustment of ink pressure, Self-detecting and self-control. 4. Printing production and expiry date, time, No ...