CRYSTAL SKY TECHNOLOGY LIMITED is a professional manufacturer and exporter of Security products. Our main products include Smart Cards, Card Reader, Time Attendance & Access Control, Fingerprint Sensor, Mobile Jammer, Metal Detector ,Alarm System and other Smart Card Systems.

With the principle of honesty and sincerity, we persist on aiming at providing customers with reliable quality, reasonable prices and excellent packaging services.

With almost a decade of experience in this field, we have established strong and long-term business relationships with dozens of manufactures, which enable us to meet various customers' demands. Our products are popular with importers and wholesalers from more than 30 countries and regions all around the world.