Beijing Long Dian electronic equipment co., LTD. Is a set research and development, production, sales, after-sales service as one of the large-scale professional electronic equipment company. Mainly engaged in EAS anti-theft instrument system electronic books books sterilization machine and other high-tech electronic products production and operation of the business. Company main products are filling desensitisation detector, books, book monitor, book back to the detector, security monitor, magnetic stripe, etc., apply to libraries, bookstore security guard against theft.