No.127 Huanghe East Road , Qingdao Economic and te

Qingdao Windaka Technology Co., Ltd is the world€™s leading manufacturer for biometrics and building intercom products like finger print lock, palm vein access control, coffer, time attendance, access...

No.12, Mingda Western Road, Sheng Quan Industrial

Well(Yantai) Data System Co., Ltd was established in Laishan High Tech District in 2000, devoting to the development, production and sales of IOT intelligent terminal, handheld mobile intelligent term...