We are the 3rd largest DVR manufacturer in Mainland China located in Hangzhou city . With our in-house 100 R&D staff and 200 experienced worker , we have a 1300,000 pcs output quantity . Our DVR have been sold really well in Brazil ,UK,India,Spain ,Romania etc. The bigges advantage of our DVR is it's outstanding stability as well as the cost performance . Our new 6000 series "HD-iDVR " will be launched soon. If you want to be a distributor of ours ,contact us now !