Shenzhen Theory Technology Co., Ltd is specialized in smart card, including 20 series of track magnetic stripe card reader, prepaid scratch card, double-sided PVC card printer, blank white PVC card, abnormity card, ID card, magnetic stripe card, IC card and related services. Over 200 clients in Europe, the US and Asia choose us, contributing to $2 million annual sales in 2007. Special services All our trading staff is at hand to offer you one-on-one service, meeting your specific requirements more perfectly. In addition, we ensure a prompt reply in as short as five hours, with 18-hour online service, too. Strong production ability Monthly capability in our ISO 9001:2000-certified factory reaches high as 10, 000, 000pcs. Delivery can be arranged in a short time of just one week. Each 3 QC staff is assigned on each production line, keeping the defect rate within 1%. We have obtained the authorization from DATACARD, HITI, DIS and branded. Contact us now.