手机号所在省市及服务供应商查询的VB源码,关键是内带的查询数据库很有价值的（2007年4月的新数据）。

实现C/S 国家 省市 级联实现C/S 国家 省市 级联

组态王源码 亚控科技经过七年持续、稳健的发展，组态王系列产品装机量已达三万余套， 产品遍布于除西藏外所有省市，广泛应用于各行各业-Kingview source sub-control technology after seven years of sustained, stable development, Kingview products installed capacity has reached more than 30,000 sets of products spread to

省市、地区、县区三级区域划分 省市、地区、县区三级区域划分-Provinces, regions, counties, cities divided into three regions, regions, counties, cities divided into three regions, regions, counties, divided into three regions