Shenzhen Chengxin Technology Co., Ltd. is a professional supplier of DVR, Surveillance cameras, IP Cameras and other related products. Since the foundation in 2010, "Quality first, and customer expectation" has always been our quality policy. We strongly absorb the essence of domestic and foreign similar products to continuously improve the quality of products and service. "Integrative management, sincere service" is our mission. We make effort to develop new ideas, in order to provide a ...