中交二公局承建大興至思南高速公路6個站（中心）、40個車道的監(jiān)控、通信、收費三大系統(tǒng)安裝工程。
　　CCCC SecondHighway Engineering Co., Ltd. has contracted to build six stations (centers)and install equipment of monitoring, communication and toll collection on 40lanes of Daxing-Sinan Expressway.