Special Science & Technology Development Co., Ltd. of the North of Beijing

Any domestic telephone number 0, 09 --0, 11 yuan, there are not monthly rent of local call, telecommunication grade that exchange the platform, China Netcom's circuit softly, the firm result, the putting through rate is high, can show any regular telephone number , realize answering a call, can meet the communication demands of any enterprises and institutions [详细介绍]