We are one of leading camera provider in China, we own our production line and R&D team Our Headquarter is located in Hangzhou,China. with "Hikvision " and "Da Hua" in the same city Except it, we have own oversea team, as sales branch and technical support in Bangkok (Thailand) and Tucson(USA)With our advantagous technical and ultimate one-stop survice, we believe our products can bring you good market Welcome contacting with us . we are looking forward to your cooperation always.