Our co***ny in SZ of China,sales all kinds of Safe-protective products,door phones ,intelcom, infrared sensor ,quality is very well,and price is good,wellcome all of the world buy our goods 我公司销售各类安防电子产品,如可视对讲电话,及红外感应报警器,监控摄像机,性能优良,质量可靠,价格适中,欢迎各界人士购买,同时我们也承接相应的安防工程....