VIDEOMAK is one of the most professional CCTV manufactures in China, focus on security cameras, DVRs and control accessories. Headquaters in Shenzhen, with 3000? factory and 1000? office, powerfull developing team, starts at the research of CCD application. And now we also do research in CCD cameras image processing method, color restoration, wide-dynamic technology, etc. Through the effort of our excellent marketing team, we have built a very good business relationship with lots of oversea ...