June 23，CCTV《Evening News》Focus on the joint creation of China Railway Construction Heavy Industry and China Railway 14th Bureau“Shenjiang No.1”Shield machine，Successfully crossed 17 fault zones at 102 meters under the seabed of the Pearl River Estuary Tunnel of the Shenjiang Railway，It marks the removal of the biggest risk source of the Pearl River Estuary Tunnel.。

Total length 13.The maximum buried depth of the 69 km Zhujiangkou Tunnel is 106 meters.，It is the largest burial depth in China.、Underwater tunnel with maximum water pressure，It is also the world's deepest submarine high-speed rail tunnel.。

The Shenjiang Railway is China.“Eight vertical and eight horizontal”The main channel of high-speed railway is an important part of the coastal corridor.。After completion and opening，It will enable Shenzhen's Qianhai Free Trade Zone and Guangzhou's Nansha Free Trade Zone to achieve half-hour high-speed rail interconnection.。