Qingdao Windaka Technology Co., Ltd established in 2001 belongs to Qingdao Ruiyuan Engineering Group which has 20 subcompanies and total asset 2.4 billion USD dollars, register asset 0.35 billion USD dollars, more than 1000 workers. And for windaka company, nearly 200workers and 30 of them are software and hardware engineers, passed ISO certificate.



In 2010, we introduce new palm vein technology and develop palm vein access control and time attendance product ,such as PVG102-D ,this is most advanced biometric technology in the world , of course better than fingerprint...