Shenzhen Vanwin Tracking Co.,Ltd ,is one high-tech industry specializing in R&D ,production,sales of vehicle video monitoring system,3G/4G/GPS monitoring kits, intellectual public transit dispatcher`s monitoring system ,video people counter . Our products refers to SD HDD mobile dvr,3G remote control monitoring dvr,vehicle multi-media Ads machine,car camera,software .They are widely used in public transport,passengers traffic,logistics,law enforcement cars,escort and so on .With very strong research technology,senior industry background,stable good quality ,on-time production&delivery capacity ,high efficiency service ,we soon have achieved in one of the leaders in the market Our 3g dvr has been greatly welcomed all over the world since it was explored in 2010; Ads machines and VPN dvrs have been customized successfully for Russia and Egypt clients in 2013 and 2014 respectively ;the video people counter system has been over 98% accuracy when it came in 2014,which has achieved in t