Qingdao Windaka Technology Co., Ltd. is a general buck the development, production and marketing of smart card, fingerprint, time attendance, palm vein access control, building intercom system, home, door phone, outdoor unit, fingerprint hotel supplies, ...

We MELSEE GROUP have been focus on video door phone products and access control in security industry for 20 years.With our research, development, design, production distribution team of 500 people 15,000 square meters factory, has established a complete ...