Changzhou East Sun electronic  is a main manufacturer in different electronic products  :

Stand-alone DVR Standard Camera Dome Camera Zoom Camera Car View Camera  
Mini CCD Camera Mini Cmos Camera Waterpoof Camera  
Waterpoof IR Camera  Vandal-proof Camera  Bullet Camera  Smoke Detector Camera  
Flying Disk Camera  Speed Dome Camera PTZ Dome Camera  Wireless Camera Series  
Network Camera DVR Cards CCTV Lens Quad/Switch Bracket Shield Series  
Video Line/Scanner  Lcd TV Monitor  Car dvd player  Video Doorbell  PC Camera