西气东输二线是我国首条引进境外天然气资源的战略通道工程，是目前世界上线路最长、工程量最大的天然气管道。管线起于新疆霍尔果斯首站，途经全国15个省区市、192个县级单位，止于香港。工程全长8704公里。
本标段工程位于深圳与香港之间的（海底管道部分），主要是炸清礁施工，面对各种的施工问题，公司一一排解，按时按质的完成了施工任务。

The west east gas pipeline project is the first strategic channel project to introduce foreign natural gas resources in China. It is the longest and largest natural gas pipeline in the world. Pipeline from Xinjiang, Huoerguosi's first station, through the country's 15 provinces and autonomous regions, 192 county-level units, only in Hongkong. The total length of the project is 8704 kilometers.

This section of the project is located between Shenzhen and Hongkong (submarine pipeline part), is mainly fried clear reef construction, facing the construction problems of the company to resolve, completed the construction tasks on schedule.