北京爱德信科技发展有限公司专业生产手机信号屏蔽器（干扰器），身份证鉴别仪（验证仪），无线听说对讲互动的移动语音室系统，红外调频外语听力教学考试系统，教学无线耳机、调频发射机等电子产品。

本公司是手机信号屏蔽器（干扰器、阻断器）的全国最大制造商，日生产能力4000台，选用进口高性能集成电路和贴片元件，采用全自动贴片机和回流焊机加工、流水线生产，质量、性能稳定。主要应用于考场、监狱、法庭、会场、图书馆、剧院、教堂、医院等需要保密、安静、防干扰的场所。

本公司的生产基地位于广东省东莞市区，厂房面积约为1800平米，年生产能力达100万台。先进的检测设备和技术过硬的专业人才保证了卓越的产品质量。本公司对产品执行严格的质量管理体系（质量检测按国际标准AQL1.0  2.5标准执行，机器性能完全执行GB9374国家标准）。

目前，本公司生产的各种产品已被众多的考试机构、大中专院校、重点中小学常年广泛应用于考场防止作弊、外语教学、过级考试，极大的方便了教学、提高了授课质量、创造了公平的考试环境。精美的外观、卓越的性能、考究的用料、可靠的质量和完善的服务赢得了广大用户的信赖和好评！

Beijing EDUSUN Science Technology Development Co., Ltd. specially produces  Mobile phone Signal Isolator, Identification card discriminator (verifing instrument), Movable Language Laboratory System with the function of listening-speaking-dialog-exchanging in a wireless mode, infrared frequency modulation system for teaching, studying and examining foreign languages, simultaneous interpretation system, wireless earphone and headphone for language teaching.

Our company is the largest manufacturer of Mobile Phone Signal Isolator in China, and can produce about 4,000 each day. We use high-capability importing  integrated circuits and paste components, and use importing machines for automatic  paste components and circumfluence jointing, pipelining production etc., thus our products have high quality and stable function. Our products are used for examinations, universities and schools, library, prison, courtroom, conference room, theatre, church etc., where secret and quiet are requested absolutely.

The manufactory of our company is set up in Dong Guan, Guangdong province. We possess workshop about 1800 m², produce more than 1,000,000 goods in each year. We possess advanced equipments for checking and testing, and the high-level technical specialists, which guarantee our high-quality products.  The production is operated following quality management systems strictly , i.e. the international AQL1.0  2.5 standard for quality of the products, and the national GB9374 standard for the function of equipments.

Up to now, a large number of our products have been used in many examining bureaux, universities, colleges, primary and high schools for their English education and grade examination. These avoid cheat and create the fair air in  examinations, make the teaching and studying be much easier and improve the corresponding effects. With the outstanding properties, splendid materials, beautiful appearance, excellent quality, and the thoughtful services, our products have widely obtained sincere trusts and acknowledgements from teachers and students, which also are helping them to improve the effects of teaching and study.