303 technology limited (the "303") is a technology-based security system specialist that develops, integrates and distributes innovative technologically advanced software hardware products. The based in Hong Kong with research development ...

Provide fingerprint products, rfid video security products: Fingerprint access control, time attendance, proximity card burglar alarm system, guard patrol smart Card, ip-camera, network camera, ic card, id reader, detector, door phone. Offer the best ...

We are the founder of national patented Chinese Handwriting Recognition Technology in Beijing. In 1985 our chairmen, Mr. Liu Yingjian, started from a scientist, he believes that "when you recognized something does it with your full energy". ...