深圳市兰尔达科技发展有限公司是专业从事通讯设备及通讯网络产品及其软件的研发、生产和销售。目前主营项目有：公话配件,投币器，投币电话,硬币识别器,智能网公用电话系统、公用电话计费集中管理系统、无线公用电话、嵌入式多媒体信息终端及其业务管理系统和 GSM/CDMA移动通信直放站和基站功率放大器等移动通讯系列产品。
   Shenzhen land Science&Technology Co.,Ltd,which came into existence in April,2004,is a high-tech company.The company is engaged in developing intelligent communications terminal equipments and gathers the research,production and distribution of network terminal,validator,coin payphone,wireless access equipment and information systems in one part.