北京创世三和软件技术有限公司，北京市A级高新技术企业(GF2543),最早通过国家信息产业部认证、获国家政策扶持的软件技术企业(京R-2000-0006)。经过近十年不断在高新技术上创新努力，公司众多产品技术水准一直保持着同业领先地位。 公司不仅是国内专业的管理软件开发公司，同时也是非常专业无线技术高科技研发公司，在无线技术领域贡献也是硕果累累： 1、国内独创开发了《电梯无线对讲呼叫系统》：本系统具有无需架线、可大范围电梯无线集中管理、音质清晰、抗干扰能力强、智能化程度高、使用方便、安装简单等特性。 2、国内领先、独具魅力的经理(领导)老板无线呼叫系统(或称秘书呼叫系统)； 3、国内首创开发了农村及城镇社区“十户联防”“警铃入户”无线联防系列产品； Beijing Trusun software technology limited company, Beijing A Level High technology and new technology Enterprise (GF2543), most early through the national information industrial department authentication, attains the national policy support the software technology enterprise (Beijing R-2000-0006). A lot of products and technology has been keeped ahead in the high technology for ten years. Not only the company is the specialized software development company, but also it is the extremely specialized high-tech Study development company, in the wireless technology area it has been great achievements: 1、The inventive product is " Wireless Elevator Talkback system": This system does not need the wire laying, may manage the elevators all together in the wide range. Its sound is clear, Its antijamming ability is strong, Its intelligence is high, It is easy to operate and simple to install.and so on . 2、Delicate product is boss call system (or secretary call system)； 3、We has developed a lot of wireless products that its using is in the countryside .such as “Ten families community”“The Alarm bell into family”.