1.上海苏州无锡昆山常熟等上海周边城市可上门检测维修松下，西门子，NEC程控电话交换机021-51879132手机13122099958上门安装检测维修更换零配件松下电话交换机程控交换机松下KX-TES824CN/KX-TDA100CN/200CN/600CN专业维修松下KX-TES824松下KX-TDA100CN松下KX-TDA200CN松下KX-TDA600CN松下KX-TDA100DCX专业维修西门子hipath1800hipath3550hipath3750hipath3800专业维修NEC电话交换机NECSL1000、NECTOPAZ、NECSV8100、NECSV9100、NECSV8300专业维修国威集团电话国威WS824（5A）、WS824（9A）、WS824(10型)、WS824Q416上海地区代理销售安装，上门调试维修松下电话交换机节假日不休息综合布线监控安防弱电工程施工专业技术人员奋战一线10余载)