Security Products, Surveillance, Door Phones Shidean manufactures high-quality audio-video door phones and surveillance equipment. We have more than 40 models of door phone available, and our R&D team, headed by top Korean engineers, is constantly developing new models. We source our main components from Samsung, Sony and Sharp to gaurantee the top quality of our products. We manufacture on an OEM/ODM basis. We do our best to offer high quality, competitive prices and comprehensive service. |