Double North Technology Co., Ltd. Nanjing and Nanjing in China. Focus on electronic security products for many years the research, development and production. As a fully furnished and a large number of professionals, making our product development and production of very fast and reliable, so that our products have a very strong competitive advantage. 
 Our company has specialized in the design and development departments and the various independent manufacturing plant, the company implemented a strict quality control, in each fitting into the production process, a second inspection by the professionals, the product quality to meet international standards for the industry , allowing users to be exempt from all worries. 
 So far, our sales network throughout most parts of the world, such as: the United States, Europe, South America, Asia, and elsewhere, and we sincerely hope and work closely with new and old customers at home and abroad to create our new world. 
 Mission: 106 Your satisfaction is our success! 
 Nanjing, specializing in the production and supply of dual-North: supermarkets, clothing shoes and hats EAS electronic anti-theft device; books, medicines, cosmetics EM anti-theft monitoring instrument; digital products and laptop anti-theft device; charge elimination device, decoder, decoders, get nailed control; EAS RF, DR sound, and magnetic, EM hard tag (clothing and shoes purses Door Guard), magnetic stripe, (EAS RF, DR sound, and magnetic) soft labels, bottle protection label (bottle deduction), milk powder Protection tab (milk deduction), the tape protection box, CD / DVD protection boxes.