Kunming long digital image   

Now the mainstream personality customization of the color of the glass - ceramic color cup and glass color temperature is 40 degrees Celsius above the heating water color cup. The cup has black, blue and red. Usually did not heat the water, the cup is shown in several colors. When hot water. Color changes, and then slowly become white, more and more clear, and finally show the printed pattern, photos, etc.. Their principle is: temperature sensitive material printed in the cup body, the material used in the heat sensitive material, high temperature 320 degrees Celsius, non-toxic, lead free, no chromium, can meet the European standards. So for a lot of friends not to see