Shenzhen zhengdong industrial Co,Ltd, which established in 1997 in the desining, researching, manufacturing and selling of PVC cards ,smart cards and pvc pet pp plastic boxes,also we selling RFID tag. we have own manufacture industry arean that has more than 40thousand square meters Also our products have been enjoying a high reputation in the world market for all the time. Because of the good quality, our products are adopted by some of famous companies both at home and abroad. In additio