全国首家电话机交易市场开业由中国邮电器材华北公司主办的华北电话机交易市场，目前在天津正式开业。这是目前全国首家电话机交易市场．首批进入市场的有来自全国的４０多家电话机生产的７００多种电话机。交易中心拥有展厅面积７５０平方米，８０多个展位和１０多个业务... China’s first telephone market opened Opened in North China by China Posts and Telecommunications Equipment North China telephone exchange market, is currently officially opened in Tianjin. This is the first telephone market in the country. The first to enter the market are more than 700 kinds of telephones that are produced by more than 40 telephones in the country. Trading Center has a showroom area of ​​750 square meters, more than 80 booths and more than 10 business ...