Oriented by twisted pair video transmission technology, surge protection technology and CCTV Video surveillance digital technology, Shanghai Qunan Electronics Co., Ltd is a high- tech company integrated technology research, product development, manufacturing and marketing.Now,the products have independently developed are "CE, UL, FCC, MA, and ROHS" certified. And they?ve been exported to many foreign countries and regions such as: North America, South America, Western Europe, Australia, Southeast Asia and South Africa.After several years of continuous innovation and development and constantly absorption domestic and foreign advanced manufacturing technology, we are the leader in the industry in terms of product quality and technical performance. At the same time, we cooperate with famous universities and research institutions at home and abroad and make full use of modern high-tech results to provide satisfying quality products. Our tenet is: "Quality first, Reputation first and Considerate Service?. In a word, we do our best to meet your needs and provide reliable technical support and service.