Special Craft Card/Allochromasia Card

1).The surface color of allochromasia card will change under the termperature
and light changed.for example,use your hand hold one angle of the card, the
color will change due to temperature of the part changed , used this kind of
card will be more enjoyment.                            

2). Can be made into various contact,contactless smart card, including ID
card,IC card,CPU card,RFID label card. etc.                                    

3).Application:it is application to all kinds of high-grade club membership
card,VIP card,commemorate card.