Tray Thermoforming HIPS Roll Sheet

Tray Thermoforming HIPS Roll Sheet PS (blister tray) has small density (light weight), environmental protection and non-toxic, excellent plasticity, poor toughness and brittleness, so it can not be made into transparent material, so i

what is a contactless IC card?

Before the emergence of contactless IC card, it was contact-type IC card. Because the contact-type IC card needs to plug in card, it is easy to cause chip wear and tear.The speed of operation is slow, so it is not very convenient to u